Home / 2,912,587.70-4,368,881.55-1,637,129.30

Finding the Fourth Proportional to 2,912,587.70, 4,368,881.55 and 1,637,129.30

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Solution

The fourth proportional to 2,912,587.70, 4,368,881.55 and 1,637,129.30 is: 2,455,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,587.70 : 4,368,881.55 = 1,637,129.30 : x
  2. Step 2: Convert to fraction form
    2,912,587.70/4,368,881.55 = 1,637,129.30/x
  3. Step 3: Cross multiply
    2,912,587.70x = 4,368,881.55 × 1,637,129.30
  4. Step 4: Simplify right side
    2,912,587.70x = 7,152,423,993,734.42
  5. Step 5: Solve for x
    x = 7,152,423,993,734.42/2,912,587.70
  6. Step 6: Final answer
    x = 2,455,693.95

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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.