Home / 1,572,101.50-2,167,958.84-998,145.22

Finding the Fourth Proportional to 1,572,101.50, 2,167,958.84 and 998,145.22

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Solution

The fourth proportional to 1,572,101.50, 2,167,958.84 and 998,145.22 is: 1,376,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,101.50 : 2,167,958.84 = 998,145.22 : x
  2. Step 2: Convert to fraction form
    1,572,101.50/2,167,958.84 = 998,145.22/x
  3. Step 3: Cross multiply
    1,572,101.50x = 2,167,958.84 × 998,145.22
  4. Step 4: Simplify right side
    1,572,101.50x = 2,163,937,753,302.74
  5. Step 5: Solve for x
    x = 2,163,937,753,302.74/1,572,101.50
  6. Step 6: Final answer
    x = 1,376,461.86

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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.