Home / 3,390,562.80-4,679,063.28-1,862,708.40

Finding the Fourth Proportional to 3,390,562.80, 4,679,063.28 and 1,862,708.40

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Solution

The fourth proportional to 3,390,562.80, 4,679,063.28 and 1,862,708.40 is: 2,570,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,562.80 : 4,679,063.28 = 1,862,708.40 : x
  2. Step 2: Convert to fraction form
    3,390,562.80/4,679,063.28 = 1,862,708.40/x
  3. Step 3: Cross multiply
    3,390,562.80x = 4,679,063.28 × 1,862,708.40
  4. Step 4: Simplify right side
    3,390,562.80x = 8,715,730,475,787.55
  5. Step 5: Solve for x
    x = 8,715,730,475,787.55/3,390,562.80
  6. Step 6: Final answer
    x = 2,570,585.18

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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.