Home / 2,870,520.64-3,961,300.08-1,581,331.12

Finding the Fourth Proportional to 2,870,520.64, 3,961,300.08 and 1,581,331.12

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Solution

The fourth proportional to 2,870,520.64, 3,961,300.08 and 1,581,331.12 is: 2,182,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,520.64 : 3,961,300.08 = 1,581,331.12 : x
  2. Step 2: Convert to fraction form
    2,870,520.64/3,961,300.08 = 1,581,331.12/x
  3. Step 3: Cross multiply
    2,870,520.64x = 3,961,300.08 × 1,581,331.12
  4. Step 4: Simplify right side
    2,870,520.64x = 6,264,127,092,162.49
  5. Step 5: Solve for x
    x = 6,264,127,092,162.49/2,870,520.64
  6. Step 6: Final answer
    x = 2,182,226.81

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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.