Home / 2,700,643.20-4,050,446.40-807,446.40

Finding the Fourth Proportional to 2,700,643.20, 4,050,446.40 and 807,446.40

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Solution

The fourth proportional to 2,700,643.20, 4,050,446.40 and 807,446.40 is: 1,211,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700,643.20 : 4,050,446.40 = 807,446.40 : x
  2. Step 2: Convert to fraction form
    2,700,643.20/4,050,446.40 = 807,446.40/x
  3. Step 3: Cross multiply
    2,700,643.20x = 4,050,446.40 × 807,446.40
  4. Step 4: Simplify right side
    2,700,643.20x = 3,270,518,364,072.96
  5. Step 5: Solve for x
    x = 3,270,518,364,072.96/2,700,643.20
  6. Step 6: Final answer
    x = 1,211,014.61

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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.