Home / 1,635,983.02-2,257,072.10-947,278.90

Finding the Fourth Proportional to 1,635,983.02, 2,257,072.10 and 947,278.90

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Solution

The fourth proportional to 1,635,983.02, 2,257,072.10 and 947,278.90 is: 1,306,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,983.02 : 2,257,072.10 = 947,278.90 : x
  2. Step 2: Convert to fraction form
    1,635,983.02/2,257,072.10 = 947,278.90/x
  3. Step 3: Cross multiply
    1,635,983.02x = 2,257,072.10 × 947,278.90
  4. Step 4: Simplify right side
    1,635,983.02x = 2,138,076,776,108.69
  5. Step 5: Solve for x
    x = 2,138,076,776,108.69/1,635,983.02
  6. Step 6: Final answer
    x = 1,306,906.46

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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.