Home / 3,274,080.60-4,911,120.90-2,990,645.40

Finding the Fourth Proportional to 3,274,080.60, 4,911,120.90 and 2,990,645.40

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Solution

The fourth proportional to 3,274,080.60, 4,911,120.90 and 2,990,645.40 is: 4,485,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274,080.60 : 4,911,120.90 = 2,990,645.40 : x
  2. Step 2: Convert to fraction form
    3,274,080.60/4,911,120.90 = 2,990,645.40/x
  3. Step 3: Cross multiply
    3,274,080.60x = 4,911,120.90 × 2,990,645.40
  4. Step 4: Simplify right side
    3,274,080.60x = 14,687,421,128,428.86
  5. Step 5: Solve for x
    x = 14,687,421,128,428.86/3,274,080.60
  6. Step 6: Final answer
    x = 4,485,968.10

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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.