Home / 3,147,410.80-4,721,116.20-3,077,426.80

Finding the Fourth Proportional to 3,147,410.80, 4,721,116.20 and 3,077,426.80

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Solution

The fourth proportional to 3,147,410.80, 4,721,116.20 and 3,077,426.80 is: 4,616,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,410.80 : 4,721,116.20 = 3,077,426.80 : x
  2. Step 2: Convert to fraction form
    3,147,410.80/4,721,116.20 = 3,077,426.80/x
  3. Step 3: Cross multiply
    3,147,410.80x = 4,721,116.20 × 3,077,426.80
  4. Step 4: Simplify right side
    3,147,410.80x = 14,528,889,519,794.16
  5. Step 5: Solve for x
    x = 14,528,889,519,794.16/3,147,410.80
  6. Step 6: Final answer
    x = 4,616,140.20

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Double scale
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Similar ratio
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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.