Home / 3,253,019.20-4,490,752.80-2,165,934.40

Finding the Fourth Proportional to 3,253,019.20, 4,490,752.80 and 2,165,934.40

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Solution

The fourth proportional to 3,253,019.20, 4,490,752.80 and 2,165,934.40 is: 2,990,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253,019.20 : 4,490,752.80 = 2,165,934.40 : x
  2. Step 2: Convert to fraction form
    3,253,019.20/4,490,752.80 = 2,165,934.40/x
  3. Step 3: Cross multiply
    3,253,019.20x = 4,490,752.80 × 2,165,934.40
  4. Step 4: Simplify right side
    3,253,019.20x = 9,726,675,971,416.32
  5. Step 5: Solve for x
    x = 9,726,675,971,416.32/3,253,019.20
  6. Step 6: Final answer
    x = 2,990,045.67

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1.5x scale

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.