Home / 3,147,333.60-4,721,000.40-2,905,888.80

Finding the Fourth Proportional to 3,147,333.60, 4,721,000.40 and 2,905,888.80

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Solution

The fourth proportional to 3,147,333.60, 4,721,000.40 and 2,905,888.80 is: 4,358,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,333.60 : 4,721,000.40 = 2,905,888.80 : x
  2. Step 2: Convert to fraction form
    3,147,333.60/4,721,000.40 = 2,905,888.80/x
  3. Step 3: Cross multiply
    3,147,333.60x = 4,721,000.40 × 2,905,888.80
  4. Step 4: Simplify right side
    3,147,333.60x = 13,718,702,187,155.52
  5. Step 5: Solve for x
    x = 13,718,702,187,155.52/3,147,333.60
  6. Step 6: Final answer
    x = 4,358,833.20

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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.