Home / 2,749,680.90-4,125,104.55-830,661.30

Finding the Fourth Proportional to 2,749,680.90, 4,125,104.55 and 830,661.30

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Solution

The fourth proportional to 2,749,680.90, 4,125,104.55 and 830,661.30 is: 1,246,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,680.90 : 4,125,104.55 = 830,661.30 : x
  2. Step 2: Convert to fraction form
    2,749,680.90/4,125,104.55 = 830,661.30/x
  3. Step 3: Cross multiply
    2,749,680.90x = 4,125,104.55 × 830,661.30
  4. Step 4: Simplify right side
    2,749,680.90x = 3,426,564,708,138.92
  5. Step 5: Solve for x
    x = 3,426,564,708,138.92/2,749,680.90
  6. Step 6: Final answer
    x = 1,246,168.13

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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.