Home / 3,096,620.40-4,271,612.65-2,877,419.45

Finding the Fourth Proportional to 3,096,620.40, 4,271,612.65 and 2,877,419.45

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Solution

The fourth proportional to 3,096,620.40, 4,271,612.65 and 2,877,419.45 is: 3,969,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096,620.40 : 4,271,612.65 = 2,877,419.45 : x
  2. Step 2: Convert to fraction form
    3,096,620.40/4,271,612.65 = 2,877,419.45/x
  3. Step 3: Cross multiply
    3,096,620.40x = 4,271,612.65 × 2,877,419.45
  4. Step 4: Simplify right side
    3,096,620.40x = 12,291,221,321,976.04
  5. Step 5: Solve for x
    x = 12,291,221,321,976.04/3,096,620.40
  6. Step 6: Final answer
    x = 3,969,237.34

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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.