Home / 2,990,947.20-4,486,420.80-2,034,353.40

Finding the Fourth Proportional to 2,990,947.20, 4,486,420.80 and 2,034,353.40

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Solution

The fourth proportional to 2,990,947.20, 4,486,420.80 and 2,034,353.40 is: 3,051,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,947.20 : 4,486,420.80 = 2,034,353.40 : x
  2. Step 2: Convert to fraction form
    2,990,947.20/4,486,420.80 = 2,034,353.40/x
  3. Step 3: Cross multiply
    2,990,947.20x = 4,486,420.80 × 2,034,353.40
  4. Step 4: Simplify right side
    2,990,947.20x = 9,126,965,408,310.72
  5. Step 5: Solve for x
    x = 9,126,965,408,310.72/2,990,947.20
  6. Step 6: Final answer
    x = 3,051,530.10

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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.