Home / 5,142,453.07-7,097,308.20-3,182,959.65

Finding the Fourth Proportional to 5,142,453.07, 7,097,308.20 and 3,182,959.65

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Solution

The fourth proportional to 5,142,453.07, 7,097,308.20 and 3,182,959.65 is: 4,392,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,453.07 : 7,097,308.20 = 3,182,959.65 : x
  2. Step 2: Convert to fraction form
    5,142,453.07/7,097,308.20 = 3,182,959.65/x
  3. Step 3: Cross multiply
    5,142,453.07x = 7,097,308.20 × 3,182,959.65
  4. Step 4: Simplify right side
    5,142,453.07x = 22,590,445,580,770.19
  5. Step 5: Solve for x
    x = 22,590,445,580,770.19/5,142,453.07
  6. Step 6: Final answer
    x = 4,392,931.79

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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.