Home / 2,028,507.80-2,799,528.55-1,123,089.80

Finding the Fourth Proportional to 2,028,507.80, 2,799,528.55 and 1,123,089.80

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Solution

The fourth proportional to 2,028,507.80, 2,799,528.55 and 1,123,089.80 is: 1,549,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,507.80 : 2,799,528.55 = 1,123,089.80 : x
  2. Step 2: Convert to fraction form
    2,028,507.80/2,799,528.55 = 1,123,089.80/x
  3. Step 3: Cross multiply
    2,028,507.80x = 2,799,528.55 × 1,123,089.80
  4. Step 4: Simplify right side
    2,028,507.80x = 3,144,121,942,508.42
  5. Step 5: Solve for x
    x = 3,144,121,942,508.42/2,028,507.80
  6. Step 6: Final answer
    x = 1,549,967.89

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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.