Home / 2,039,958.40-2,815,127.02-1,122,167.78

Finding the Fourth Proportional to 2,039,958.40, 2,815,127.02 and 1,122,167.78

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Solution

The fourth proportional to 2,039,958.40, 2,815,127.02 and 1,122,167.78 is: 1,548,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,958.40 : 2,815,127.02 = 1,122,167.78 : x
  2. Step 2: Convert to fraction form
    2,039,958.40/2,815,127.02 = 1,122,167.78/x
  3. Step 3: Cross multiply
    2,039,958.40x = 2,815,127.02 × 1,122,167.78
  4. Step 4: Simplify right side
    2,039,958.40x = 3,159,044,838,451.42
  5. Step 5: Solve for x
    x = 3,159,044,838,451.42/2,039,958.40
  6. Step 6: Final answer
    x = 1,548,582.97

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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.