Home / 4,947,176.10-7,420,764.15-3,157,991.40

Finding the Fourth Proportional to 4,947,176.10, 7,420,764.15 and 3,157,991.40

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Solution

The fourth proportional to 4,947,176.10, 7,420,764.15 and 3,157,991.40 is: 4,736,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947,176.10 : 7,420,764.15 = 3,157,991.40 : x
  2. Step 2: Convert to fraction form
    4,947,176.10/7,420,764.15 = 3,157,991.40/x
  3. Step 3: Cross multiply
    4,947,176.10x = 7,420,764.15 × 3,157,991.40
  4. Step 4: Simplify right side
    4,947,176.10x = 23,434,709,367,128.31
  5. Step 5: Solve for x
    x = 23,434,709,367,128.31/4,947,176.10
  6. Step 6: Final answer
    x = 4,736,987.10

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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.