Home / 5,428,206.87-8,142,572.16-1,784,856.08

Finding the Fourth Proportional to 5,428,206.87, 8,142,572.16 and 1,784,856.08

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Solution

The fourth proportional to 5,428,206.87, 8,142,572.16 and 1,784,856.08 is: 2,677,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,206.87 : 8,142,572.16 = 1,784,856.08 : x
  2. Step 2: Convert to fraction form
    5,428,206.87/8,142,572.16 = 1,784,856.08/x
  3. Step 3: Cross multiply
    5,428,206.87x = 8,142,572.16 × 1,784,856.08
  4. Step 4: Simplify right side
    5,428,206.87x = 14,533,319,438,010.26
  5. Step 5: Solve for x
    x = 14,533,319,438,010.26/5,428,206.87
  6. Step 6: Final answer
    x = 2,677,370.22

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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.