Home / 6,427,966.70-8,870,729.52-3,527,332.20

Finding the Fourth Proportional to 6,427,966.70, 8,870,729.52 and 3,527,332.20

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Solution

The fourth proportional to 6,427,966.70, 8,870,729.52 and 3,527,332.20 is: 4,867,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,966.70 : 8,870,729.52 = 3,527,332.20 : x
  2. Step 2: Convert to fraction form
    6,427,966.70/8,870,729.52 = 3,527,332.20/x
  3. Step 3: Cross multiply
    6,427,966.70x = 8,870,729.52 × 3,527,332.20
  4. Step 4: Simplify right side
    6,427,966.70x = 31,290,009,873,386.54
  5. Step 5: Solve for x
    x = 31,290,009,873,386.54/6,427,966.70
  6. Step 6: Final answer
    x = 4,867,792.78

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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.