Home / 3,309,829.40-4,964,645.28-913,820.24

Finding the Fourth Proportional to 3,309,829.40, 4,964,645.28 and 913,820.24

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Solution

The fourth proportional to 3,309,829.40, 4,964,645.28 and 913,820.24 is: 1,370,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,829.40 : 4,964,645.28 = 913,820.24 : x
  2. Step 2: Convert to fraction form
    3,309,829.40/4,964,645.28 = 913,820.24/x
  3. Step 3: Cross multiply
    3,309,829.40x = 4,964,645.28 × 913,820.24
  4. Step 4: Simplify right side
    3,309,829.40x = 4,536,793,341,284.47
  5. Step 5: Solve for x
    x = 4,536,793,341,284.47/3,309,829.40
  6. Step 6: Final answer
    x = 1,370,703.08

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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.