Home / 1,635,982.02-2,257,070.72-947,277.90

Finding the Fourth Proportional to 1,635,982.02, 2,257,070.72 and 947,277.90

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Solution

The fourth proportional to 1,635,982.02, 2,257,070.72 and 947,277.90 is: 1,306,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,982.02 : 2,257,070.72 = 947,277.90 : x
  2. Step 2: Convert to fraction form
    1,635,982.02/2,257,070.72 = 947,277.90/x
  3. Step 3: Cross multiply
    1,635,982.02x = 2,257,070.72 × 947,277.90
  4. Step 4: Simplify right side
    1,635,982.02x = 2,138,073,211,793.09
  5. Step 5: Solve for x
    x = 2,138,073,211,793.09/1,635,982.02
  6. Step 6: Final answer
    x = 1,306,905.08

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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.