Home / 1,561,539.40-2,347,557.90-1,330,592.20

Finding the Fourth Proportional to 1,561,539.40, 2,347,557.90 and 1,330,592.20

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Solution

The fourth proportional to 1,561,539.40, 2,347,557.90 and 1,330,592.20 is: 2,000,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,539.40 : 2,347,557.90 = 1,330,592.20 : x
  2. Step 2: Convert to fraction form
    1,561,539.40/2,347,557.90 = 1,330,592.20/x
  3. Step 3: Cross multiply
    1,561,539.40x = 2,347,557.90 × 1,330,592.20
  4. Step 4: Simplify right side
    1,561,539.40x = 3,123,642,230,788.38
  5. Step 5: Solve for x
    x = 3,123,642,230,788.38/1,561,539.40
  6. Step 6: Final answer
    x = 2,000,360.82

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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.