Home / 2,870,657.16-3,959,755.08-1,708,323.78

Finding the Fourth Proportional to 2,870,657.16, 3,959,755.08 and 1,708,323.78

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Solution

The fourth proportional to 2,870,657.16, 3,959,755.08 and 1,708,323.78 is: 2,356,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,657.16 : 3,959,755.08 = 1,708,323.78 : x
  2. Step 2: Convert to fraction form
    2,870,657.16/3,959,755.08 = 1,708,323.78/x
  3. Step 3: Cross multiply
    2,870,657.16x = 3,959,755.08 × 1,708,323.78
  4. Step 4: Simplify right side
    2,870,657.16x = 6,764,543,766,139.80
  5. Step 5: Solve for x
    x = 6,764,543,766,139.80/2,870,657.16
  6. Step 6: Final answer
    x = 2,356,444.32

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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.