Home / 1,654,985.20-2,484,810.60-1,025,129.20

Finding the Fourth Proportional to 1,654,985.20, 2,484,810.60 and 1,025,129.20

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Solution

The fourth proportional to 1,654,985.20, 2,484,810.60 and 1,025,129.20 is: 1,539,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,985.20 : 2,484,810.60 = 1,025,129.20 : x
  2. Step 2: Convert to fraction form
    1,654,985.20/2,484,810.60 = 1,025,129.20/x
  3. Step 3: Cross multiply
    1,654,985.20x = 2,484,810.60 × 1,025,129.20
  4. Step 4: Simplify right side
    1,654,985.20x = 2,547,251,902,529.52
  5. Step 5: Solve for x
    x = 2,547,251,902,529.52/1,654,985.20
  6. Step 6: Final answer
    x = 1,539,138.78

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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.