Home / 2,579,423.60-3,869,167.80-782,325.20

Finding the Fourth Proportional to 2,579,423.60, 3,869,167.80 and 782,325.20

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Solution

The fourth proportional to 2,579,423.60, 3,869,167.80 and 782,325.20 is: 1,173,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,423.60 : 3,869,167.80 = 782,325.20 : x
  2. Step 2: Convert to fraction form
    2,579,423.60/3,869,167.80 = 782,325.20/x
  3. Step 3: Cross multiply
    2,579,423.60x = 3,869,167.80 × 782,325.20
  4. Step 4: Simplify right side
    2,579,423.60x = 3,026,947,472,968.56
  5. Step 5: Solve for x
    x = 3,026,947,472,968.56/2,579,423.60
  6. Step 6: Final answer
    x = 1,173,497.63

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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.