Home / 2,571,514.56-3,857,531.04-678,386.88

Finding the Fourth Proportional to 2,571,514.56, 3,857,531.04 and 678,386.88

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Solution

The fourth proportional to 2,571,514.56, 3,857,531.04 and 678,386.88 is: 1,017,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,514.56 : 3,857,531.04 = 678,386.88 : x
  2. Step 2: Convert to fraction form
    2,571,514.56/3,857,531.04 = 678,386.88/x
  3. Step 3: Cross multiply
    2,571,514.56x = 3,857,531.04 × 678,386.88
  4. Step 4: Simplify right side
    2,571,514.56x = 2,616,898,446,728.76
  5. Step 5: Solve for x
    x = 2,616,898,446,728.76/2,571,514.56
  6. Step 6: Final answer
    x = 1,017,648.70

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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.