Home / 3,181,672-4,390,806.17-1,805,073.69

Finding the Fourth Proportional to 3,181,672, 4,390,806.17 and 1,805,073.69

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Solution

The fourth proportional to 3,181,672, 4,390,806.17 and 1,805,073.69 is: 2,491,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,672 : 4,390,806.17 = 1,805,073.69 : x
  2. Step 2: Convert to fraction form
    3,181,672/4,390,806.17 = 1,805,073.69/x
  3. Step 3: Cross multiply
    3,181,672x = 4,390,806.17 × 1,805,073.69
  4. Step 4: Simplify right side
    3,181,672x = 7,925,728,695,356.67
  5. Step 5: Solve for x
    x = 7,925,728,695,356.67/3,181,672
  6. Step 6: Final answer
    x = 2,491,057.75

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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.