Home / 2,172,437.60-3,258,656.40-1,377,244.40

Finding the Fourth Proportional to 2,172,437.60, 3,258,656.40 and 1,377,244.40

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Solution

The fourth proportional to 2,172,437.60, 3,258,656.40 and 1,377,244.40 is: 2,065,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,437.60 : 3,258,656.40 = 1,377,244.40 : x
  2. Step 2: Convert to fraction form
    2,172,437.60/3,258,656.40 = 1,377,244.40/x
  3. Step 3: Cross multiply
    2,172,437.60x = 3,258,656.40 × 1,377,244.40
  4. Step 4: Simplify right side
    2,172,437.60x = 4,487,966,278,424.16
  5. Step 5: Solve for x
    x = 4,487,966,278,424.16/2,172,437.60
  6. Step 6: Final answer
    x = 2,065,866.60

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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.