Home / 3,312,959.28-4,969,550.04-916,603.21

Finding the Fourth Proportional to 3,312,959.28, 4,969,550.04 and 916,603.21

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Solution

The fourth proportional to 3,312,959.28, 4,969,550.04 and 916,603.21 is: 1,374,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,959.28 : 4,969,550.04 = 916,603.21 : x
  2. Step 2: Convert to fraction form
    3,312,959.28/4,969,550.04 = 916,603.21/x
  3. Step 3: Cross multiply
    3,312,959.28x = 4,969,550.04 × 916,603.21
  4. Step 4: Simplify right side
    3,312,959.28x = 4,555,105,518,919.63
  5. Step 5: Solve for x
    x = 4,555,105,518,919.63/3,312,959.28
  6. Step 6: Final answer
    x = 1,374,935.56

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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.