Home / 2,915,182.71-4,024,242.12-1,883,193.69

Finding the Fourth Proportional to 2,915,182.71, 4,024,242.12 and 1,883,193.69

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Solution

The fourth proportional to 2,915,182.71, 4,024,242.12 and 1,883,193.69 is: 2,599,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,182.71 : 4,024,242.12 = 1,883,193.69 : x
  2. Step 2: Convert to fraction form
    2,915,182.71/4,024,242.12 = 1,883,193.69/x
  3. Step 3: Cross multiply
    2,915,182.71x = 4,024,242.12 × 1,883,193.69
  4. Step 4: Simplify right side
    2,915,182.71x = 7,578,427,367,416.22
  5. Step 5: Solve for x
    x = 7,578,427,367,416.22/2,915,182.71
  6. Step 6: Final answer
    x = 2,599,640.61

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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.