Home / 6,470,000.75-8,928,631.01-3,569,390.55

Finding the Fourth Proportional to 6,470,000.75, 8,928,631.01 and 3,569,390.55

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Solution

The fourth proportional to 6,470,000.75, 8,928,631.01 and 3,569,390.55 is: 4,925,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,000.75 : 8,928,631.01 = 3,569,390.55 : x
  2. Step 2: Convert to fraction form
    6,470,000.75/8,928,631.01 = 3,569,390.55/x
  3. Step 3: Cross multiply
    6,470,000.75x = 8,928,631.01 × 3,569,390.55
  4. Step 4: Simplify right side
    6,470,000.75x = 31,869,771,160,454.43
  5. Step 5: Solve for x
    x = 31,869,771,160,454.43/6,470,000.75
  6. Step 6: Final answer
    x = 4,925,775.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.