Home / 2,519,681.20-3,779,535.72-626,422.64

Finding the Fourth Proportional to 2,519,681.20, 3,779,535.72 and 626,422.64

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Solution

The fourth proportional to 2,519,681.20, 3,779,535.72 and 626,422.64 is: 939,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,681.20 : 3,779,535.72 = 626,422.64 : x
  2. Step 2: Convert to fraction form
    2,519,681.20/3,779,535.72 = 626,422.64/x
  3. Step 3: Cross multiply
    2,519,681.20x = 3,779,535.72 × 626,422.64
  4. Step 4: Simplify right side
    2,519,681.20x = 2,367,586,743,696.70
  5. Step 5: Solve for x
    x = 2,367,586,743,696.70/2,519,681.20
  6. Step 6: Final answer
    x = 939,637.42

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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.