Home / 3,435,364.80-5,153,047.20-911,275.20

Finding the Fourth Proportional to 3,435,364.80, 5,153,047.20 and 911,275.20

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Solution

The fourth proportional to 3,435,364.80, 5,153,047.20 and 911,275.20 is: 1,366,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,364.80 : 5,153,047.20 = 911,275.20 : x
  2. Step 2: Convert to fraction form
    3,435,364.80/5,153,047.20 = 911,275.20/x
  3. Step 3: Cross multiply
    3,435,364.80x = 5,153,047.20 × 911,275.20
  4. Step 4: Simplify right side
    3,435,364.80x = 4,695,844,117,789.44
  5. Step 5: Solve for x
    x = 4,695,844,117,789.44/3,435,364.80
  6. Step 6: Final answer
    x = 1,366,912.80

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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.