Home / 3,147,353.10-4,721,029.65-2,905,908.30

Finding the Fourth Proportional to 3,147,353.10, 4,721,029.65 and 2,905,908.30

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Solution

The fourth proportional to 3,147,353.10, 4,721,029.65 and 2,905,908.30 is: 4,358,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,353.10 : 4,721,029.65 = 2,905,908.30 : x
  2. Step 2: Convert to fraction form
    3,147,353.10/4,721,029.65 = 2,905,908.30/x
  3. Step 3: Cross multiply
    3,147,353.10x = 4,721,029.65 × 2,905,908.30
  4. Step 4: Simplify right side
    3,147,353.10x = 13,718,879,244,481.10
  5. Step 5: Solve for x
    x = 13,718,879,244,481.10/3,147,353.10
  6. Step 6: Final answer
    x = 4,358,862.45

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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.