Home / 2,649,627.63-3,654,742.31-1,913,355.80

Finding the Fourth Proportional to 2,649,627.63, 3,654,742.31 and 1,913,355.80

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Solution

The fourth proportional to 2,649,627.63, 3,654,742.31 and 1,913,355.80 is: 2,639,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,627.63 : 3,654,742.31 = 1,913,355.80 : x
  2. Step 2: Convert to fraction form
    2,649,627.63/3,654,742.31 = 1,913,355.80/x
  3. Step 3: Cross multiply
    2,649,627.63x = 3,654,742.31 × 1,913,355.80
  4. Step 4: Simplify right side
    2,649,627.63x = 6,992,822,395,626.90
  5. Step 5: Solve for x
    x = 6,992,822,395,626.90/2,649,627.63
  6. Step 6: Final answer
    x = 2,639,171.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.