Home / 3,131,569.90-4,697,354.85-2,600,152.30

Finding the Fourth Proportional to 3,131,569.90, 4,697,354.85 and 2,600,152.30

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Solution

The fourth proportional to 3,131,569.90, 4,697,354.85 and 2,600,152.30 is: 3,900,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,569.90 : 4,697,354.85 = 2,600,152.30 : x
  2. Step 2: Convert to fraction form
    3,131,569.90/4,697,354.85 = 2,600,152.30/x
  3. Step 3: Cross multiply
    3,131,569.90x = 4,697,354.85 × 2,600,152.30
  4. Step 4: Simplify right side
    3,131,569.90x = 12,213,838,017,143.65
  5. Step 5: Solve for x
    x = 12,213,838,017,143.65/3,131,569.90
  6. Step 6: Final answer
    x = 3,900,228.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.