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Finding the Fourth Proportional to 5,798,576.80, 8,697,865.20 and 2,012,442.40

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Solution

The fourth proportional to 5,798,576.80, 8,697,865.20 and 2,012,442.40 is: 3,018,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,576.80 : 8,697,865.20 = 2,012,442.40 : x
  2. Step 2: Convert to fraction form
    5,798,576.80/8,697,865.20 = 2,012,442.40/x
  3. Step 3: Cross multiply
    5,798,576.80x = 8,697,865.20 × 2,012,442.40
  4. Step 4: Simplify right side
    5,798,576.80x = 17,503,952,717,964.48
  5. Step 5: Solve for x
    x = 17,503,952,717,964.48/5,798,576.80
  6. Step 6: Final answer
    x = 3,018,663.60

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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.