Home / 6,191,725.70-9,287,588.55-1,642,765.70

Finding the Fourth Proportional to 6,191,725.70, 9,287,588.55 and 1,642,765.70

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Solution

The fourth proportional to 6,191,725.70, 9,287,588.55 and 1,642,765.70 is: 2,464,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,725.70 : 9,287,588.55 = 1,642,765.70 : x
  2. Step 2: Convert to fraction form
    6,191,725.70/9,287,588.55 = 1,642,765.70/x
  3. Step 3: Cross multiply
    6,191,725.70x = 9,287,588.55 × 1,642,765.70
  4. Step 4: Simplify right side
    6,191,725.70x = 15,257,331,905,652.74
  5. Step 5: Solve for x
    x = 15,257,331,905,652.74/6,191,725.70
  6. Step 6: Final answer
    x = 2,464,148.55

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Similar ratio
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1.5x scale

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.