Home / 2,725,074.90-4,086,628.20-1,376,789.40

Finding the Fourth Proportional to 2,725,074.90, 4,086,628.20 and 1,376,789.40

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Solution

The fourth proportional to 2,725,074.90, 4,086,628.20 and 1,376,789.40 is: 2,064,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,074.90 : 4,086,628.20 = 1,376,789.40 : x
  2. Step 2: Convert to fraction form
    2,725,074.90/4,086,628.20 = 1,376,789.40/x
  3. Step 3: Cross multiply
    2,725,074.90x = 4,086,628.20 × 1,376,789.40
  4. Step 4: Simplify right side
    2,725,074.90x = 5,626,426,387,501.08
  5. Step 5: Solve for x
    x = 5,626,426,387,501.08/2,725,074.90
  6. Step 6: Final answer
    x = 2,064,686.88

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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.