Home / 1,927,266.20-2,890,891.60-861,560.91

Finding the Fourth Proportional to 1,927,266.20, 2,890,891.60 and 861,560.91

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Solution

The fourth proportional to 1,927,266.20, 2,890,891.60 and 861,560.91 is: 1,292,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,266.20 : 2,890,891.60 = 861,560.91 : x
  2. Step 2: Convert to fraction form
    1,927,266.20/2,890,891.60 = 861,560.91/x
  3. Step 3: Cross multiply
    1,927,266.20x = 2,890,891.60 × 861,560.91
  4. Step 4: Simplify right side
    1,927,266.20x = 2,490,679,197,607.36
  5. Step 5: Solve for x
    x = 2,490,679,197,607.36/1,927,266.20
  6. Step 6: Final answer
    x = 1,292,337.93

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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.