Home / 1,558,719.40-2,338,079.10-1,472,114.20

Finding the Fourth Proportional to 1,558,719.40, 2,338,079.10 and 1,472,114.20

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Solution

The fourth proportional to 1,558,719.40, 2,338,079.10 and 1,472,114.20 is: 2,208,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,719.40 : 2,338,079.10 = 1,472,114.20 : x
  2. Step 2: Convert to fraction form
    1,558,719.40/2,338,079.10 = 1,472,114.20/x
  3. Step 3: Cross multiply
    1,558,719.40x = 2,338,079.10 × 1,472,114.20
  4. Step 4: Simplify right side
    1,558,719.40x = 3,441,919,443,833.22
  5. Step 5: Solve for x
    x = 3,441,919,443,833.22/1,558,719.40
  6. Step 6: Final answer
    x = 2,208,171.30

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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.