Home / 1,885,127.40-2,827,691.10-986,221.80

Finding the Fourth Proportional to 1,885,127.40, 2,827,691.10 and 986,221.80

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Solution

The fourth proportional to 1,885,127.40, 2,827,691.10 and 986,221.80 is: 1,479,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,127.40 : 2,827,691.10 = 986,221.80 : x
  2. Step 2: Convert to fraction form
    1,885,127.40/2,827,691.10 = 986,221.80/x
  3. Step 3: Cross multiply
    1,885,127.40x = 2,827,691.10 × 986,221.80
  4. Step 4: Simplify right side
    1,885,127.40x = 2,788,730,606,485.98
  5. Step 5: Solve for x
    x = 2,788,730,606,485.98/1,885,127.40
  6. Step 6: Final answer
    x = 1,479,332.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.