Home / 2,720,263.20-4,080,394.80-2,426,330.40

Finding the Fourth Proportional to 2,720,263.20, 4,080,394.80 and 2,426,330.40

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Solution

The fourth proportional to 2,720,263.20, 4,080,394.80 and 2,426,330.40 is: 3,639,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,263.20 : 4,080,394.80 = 2,426,330.40 : x
  2. Step 2: Convert to fraction form
    2,720,263.20/4,080,394.80 = 2,426,330.40/x
  3. Step 3: Cross multiply
    2,720,263.20x = 4,080,394.80 × 2,426,330.40
  4. Step 4: Simplify right side
    2,720,263.20x = 9,900,385,947,241.92
  5. Step 5: Solve for x
    x = 9,900,385,947,241.92/2,720,263.20
  6. Step 6: Final answer
    x = 3,639,495.60

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Similar ratio
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1.5x scale

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.