Home / 2,571,763.52-3,857,805.45-678,506.78

Finding the Fourth Proportional to 2,571,763.52, 3,857,805.45 and 678,506.78

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Solution

The fourth proportional to 2,571,763.52, 3,857,805.45 and 678,506.78 is: 1,017,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,763.52 : 3,857,805.45 = 678,506.78 : x
  2. Step 2: Convert to fraction form
    2,571,763.52/3,857,805.45 = 678,506.78/x
  3. Step 3: Cross multiply
    2,571,763.52x = 3,857,805.45 × 678,506.78
  4. Step 4: Simplify right side
    2,571,763.52x = 2,617,547,134,456.92
  5. Step 5: Solve for x
    x = 2,617,547,134,456.92/2,571,763.52
  6. Step 6: Final answer
    x = 1,017,802.42

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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.