Home / 5,281,877.38-7,289,021.10-3,106,512.22

Finding the Fourth Proportional to 5,281,877.38, 7,289,021.10 and 3,106,512.22

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Solution

The fourth proportional to 5,281,877.38, 7,289,021.10 and 3,106,512.22 is: 4,287,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,877.38 : 7,289,021.10 = 3,106,512.22 : x
  2. Step 2: Convert to fraction form
    5,281,877.38/7,289,021.10 = 3,106,512.22/x
  3. Step 3: Cross multiply
    5,281,877.38x = 7,289,021.10 × 3,106,512.22
  4. Step 4: Simplify right side
    5,281,877.38x = 22,643,433,118,987.84
  5. Step 5: Solve for x
    x = 22,643,433,118,987.84/5,281,877.38
  6. Step 6: Final answer
    x = 4,287,004.69

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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.