Home / 1,803,971.20-2,488,536.48-1,115,423.04

Finding the Fourth Proportional to 1,803,971.20, 2,488,536.48 and 1,115,423.04

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Solution

The fourth proportional to 1,803,971.20, 2,488,536.48 and 1,115,423.04 is: 1,538,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,971.20 : 2,488,536.48 = 1,115,423.04 : x
  2. Step 2: Convert to fraction form
    1,803,971.20/2,488,536.48 = 1,115,423.04/x
  3. Step 3: Cross multiply
    1,803,971.20x = 2,488,536.48 × 1,115,423.04
  4. Step 4: Simplify right side
    1,803,971.20x = 2,775,770,925,672.50
  5. Step 5: Solve for x
    x = 2,775,770,925,672.50/1,803,971.20
  6. Step 6: Final answer
    x = 1,538,700.24

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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.