Home / 3,340,461.90-5,010,649.17-816,139.02

Finding the Fourth Proportional to 3,340,461.90, 5,010,649.17 and 816,139.02

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Solution

The fourth proportional to 3,340,461.90, 5,010,649.17 and 816,139.02 is: 1,224,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340,461.90 : 5,010,649.17 = 816,139.02 : x
  2. Step 2: Convert to fraction form
    3,340,461.90/5,010,649.17 = 816,139.02/x
  3. Step 3: Cross multiply
    3,340,461.90x = 5,010,649.17 × 816,139.02
  4. Step 4: Simplify right side
    3,340,461.90x = 4,089,386,303,167.61
  5. Step 5: Solve for x
    x = 4,089,386,303,167.61/3,340,461.90
  6. Step 6: Final answer
    x = 1,224,197.86

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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.