Home / 1,549,153.71-2,137,789.45-860,807.76

Finding the Fourth Proportional to 1,549,153.71, 2,137,789.45 and 860,807.76

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Solution

The fourth proportional to 1,549,153.71, 2,137,789.45 and 860,807.76 is: 1,187,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,153.71 : 2,137,789.45 = 860,807.76 : x
  2. Step 2: Convert to fraction form
    1,549,153.71/2,137,789.45 = 860,807.76/x
  3. Step 3: Cross multiply
    1,549,153.71x = 2,137,789.45 × 860,807.76
  4. Step 4: Simplify right side
    1,549,153.71x = 1,840,225,747,806.13
  5. Step 5: Solve for x
    x = 1,840,225,747,806.13/1,549,153.71
  6. Step 6: Final answer
    x = 1,187,891.00

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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.