Home / 2,997,017.20-4,495,525.80-2,146,711.60

Finding the Fourth Proportional to 2,997,017.20, 4,495,525.80 and 2,146,711.60

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Solution

The fourth proportional to 2,997,017.20, 4,495,525.80 and 2,146,711.60 is: 3,220,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,017.20 : 4,495,525.80 = 2,146,711.60 : x
  2. Step 2: Convert to fraction form
    2,997,017.20/4,495,525.80 = 2,146,711.60/x
  3. Step 3: Cross multiply
    2,997,017.20x = 4,495,525.80 × 2,146,711.60
  4. Step 4: Simplify right side
    2,997,017.20x = 9,650,597,382,959.28
  5. Step 5: Solve for x
    x = 9,650,597,382,959.28/2,997,017.20
  6. Step 6: Final answer
    x = 3,220,067.40

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Similar ratio
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1.5x scale

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.