Home / 6,872,545.92-9,483,548.72-3,774,909.20

Finding the Fourth Proportional to 6,872,545.92, 9,483,548.72 and 3,774,909.20

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Solution

The fourth proportional to 6,872,545.92, 9,483,548.72 and 3,774,909.20 is: 5,209,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,545.92 : 9,483,548.72 = 3,774,909.20 : x
  2. Step 2: Convert to fraction form
    6,872,545.92/9,483,548.72 = 3,774,909.20/x
  3. Step 3: Cross multiply
    6,872,545.92x = 9,483,548.72 × 3,774,909.20
  4. Step 4: Simplify right side
    6,872,545.92x = 35,799,535,311,776.23
  5. Step 5: Solve for x
    x = 35,799,535,311,776.23/6,872,545.92
  6. Step 6: Final answer
    x = 5,209,064.55

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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.