Home / 1,635,984.47-2,257,074.23-947,280.35

Finding the Fourth Proportional to 1,635,984.47, 2,257,074.23 and 947,280.35

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Solution

The fourth proportional to 1,635,984.47, 2,257,074.23 and 947,280.35 is: 1,306,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,984.47 : 2,257,074.23 = 947,280.35 : x
  2. Step 2: Convert to fraction form
    1,635,984.47/2,257,074.23 = 947,280.35/x
  3. Step 3: Cross multiply
    1,635,984.47x = 2,257,074.23 × 947,280.35
  4. Step 4: Simplify right side
    1,635,984.47x = 2,138,082,050,548.61
  5. Step 5: Solve for x
    x = 2,138,082,050,548.61/1,635,984.47
  6. Step 6: Final answer
    x = 1,306,908.53

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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.