Home / 2,080,445.70-3,120,668.55-1,520,573.70

Finding the Fourth Proportional to 2,080,445.70, 3,120,668.55 and 1,520,573.70

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Solution

The fourth proportional to 2,080,445.70, 3,120,668.55 and 1,520,573.70 is: 2,280,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,445.70 : 3,120,668.55 = 1,520,573.70 : x
  2. Step 2: Convert to fraction form
    2,080,445.70/3,120,668.55 = 1,520,573.70/x
  3. Step 3: Cross multiply
    2,080,445.70x = 3,120,668.55 × 1,520,573.70
  4. Step 4: Simplify right side
    2,080,445.70x = 4,745,206,523,547.14
  5. Step 5: Solve for x
    x = 4,745,206,523,547.14/2,080,445.70
  6. Step 6: Final answer
    x = 2,280,860.55

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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.