Home / 2,818,781.80-3,889,929.06-1,529,622.13

Finding the Fourth Proportional to 2,818,781.80, 3,889,929.06 and 1,529,622.13

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Solution

The fourth proportional to 2,818,781.80, 3,889,929.06 and 1,529,622.13 is: 2,110,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,781.80 : 3,889,929.06 = 1,529,622.13 : x
  2. Step 2: Convert to fraction form
    2,818,781.80/3,889,929.06 = 1,529,622.13/x
  3. Step 3: Cross multiply
    2,818,781.80x = 3,889,929.06 × 1,529,622.13
  4. Step 4: Simplify right side
    2,818,781.80x = 5,950,121,574,306.10
  5. Step 5: Solve for x
    x = 5,950,121,574,306.10/2,818,781.80
  6. Step 6: Final answer
    x = 2,110,884.06

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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.