Home / 2,779,512.50-4,169,987.51-1,627,731.72

Finding the Fourth Proportional to 2,779,512.50, 4,169,987.51 and 1,627,731.72

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Solution

The fourth proportional to 2,779,512.50, 4,169,987.51 and 1,627,731.72 is: 2,442,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,512.50 : 4,169,987.51 = 1,627,731.72 : x
  2. Step 2: Convert to fraction form
    2,779,512.50/4,169,987.51 = 1,627,731.72/x
  3. Step 3: Cross multiply
    2,779,512.50x = 4,169,987.51 × 1,627,731.72
  4. Step 4: Simplify right side
    2,779,512.50x = 6,787,620,933,892.16
  5. Step 5: Solve for x
    x = 6,787,620,933,892.16/2,779,512.50
  6. Step 6: Final answer
    x = 2,442,018.49

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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.