Home / 5,142,453.12-7,097,308.26-3,182,959.69

Finding the Fourth Proportional to 5,142,453.12, 7,097,308.26 and 3,182,959.69

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Solution

The fourth proportional to 5,142,453.12, 7,097,308.26 and 3,182,959.69 is: 4,392,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,453.12 : 7,097,308.26 = 3,182,959.69 : x
  2. Step 2: Convert to fraction form
    5,142,453.12/7,097,308.26 = 3,182,959.69/x
  3. Step 3: Cross multiply
    5,142,453.12x = 7,097,308.26 × 3,182,959.69
  4. Step 4: Simplify right side
    5,142,453.12x = 22,590,446,116,827.31
  5. Step 5: Solve for x
    x = 22,590,446,116,827.31/5,142,453.12
  6. Step 6: Final answer
    x = 4,392,931.85

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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.