Home / 1,455,071.60-2,182,607.40-1,399,084.40

Finding the Fourth Proportional to 1,455,071.60, 2,182,607.40 and 1,399,084.40

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Solution

The fourth proportional to 1,455,071.60, 2,182,607.40 and 1,399,084.40 is: 2,098,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,071.60 : 2,182,607.40 = 1,399,084.40 : x
  2. Step 2: Convert to fraction form
    1,455,071.60/2,182,607.40 = 1,399,084.40/x
  3. Step 3: Cross multiply
    1,455,071.60x = 2,182,607.40 × 1,399,084.40
  4. Step 4: Simplify right side
    1,455,071.60x = 3,053,651,964,664.56
  5. Step 5: Solve for x
    x = 3,053,651,964,664.56/1,455,071.60
  6. Step 6: Final answer
    x = 2,098,626.60

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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.