Home / 2,657,949.10-3,989,876.10-1,648,211.20

Finding the Fourth Proportional to 2,657,949.10, 3,989,876.10 and 1,648,211.20

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Solution

The fourth proportional to 2,657,949.10, 3,989,876.10 and 1,648,211.20 is: 2,474,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,949.10 : 3,989,876.10 = 1,648,211.20 : x
  2. Step 2: Convert to fraction form
    2,657,949.10/3,989,876.10 = 1,648,211.20/x
  3. Step 3: Cross multiply
    2,657,949.10x = 3,989,876.10 × 1,648,211.20
  4. Step 4: Simplify right side
    2,657,949.10x = 6,576,158,474,632.32
  5. Step 5: Solve for x
    x = 6,576,158,474,632.32/2,657,949.10
  6. Step 6: Final answer
    x = 2,474,147.63

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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.