Home / 2,766,312.92-3,817,528.50-1,542,695.78

Finding the Fourth Proportional to 2,766,312.92, 3,817,528.50 and 1,542,695.78

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Solution

The fourth proportional to 2,766,312.92, 3,817,528.50 and 1,542,695.78 is: 2,128,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,312.92 : 3,817,528.50 = 1,542,695.78 : x
  2. Step 2: Convert to fraction form
    2,766,312.92/3,817,528.50 = 1,542,695.78/x
  3. Step 3: Cross multiply
    2,766,312.92x = 3,817,528.50 × 1,542,695.78
  4. Step 4: Simplify right side
    2,766,312.92x = 5,889,285,106,979.73
  5. Step 5: Solve for x
    x = 5,889,285,106,979.73/2,766,312.92
  6. Step 6: Final answer
    x = 2,128,929.47

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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.