Home / 5,348,138.90-8,021,347.55-1,560,734.10

Finding the Fourth Proportional to 5,348,138.90, 8,021,347.55 and 1,560,734.10

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Solution

The fourth proportional to 5,348,138.90, 8,021,347.55 and 1,560,734.10 is: 2,340,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348,138.90 : 8,021,347.55 = 1,560,734.10 : x
  2. Step 2: Convert to fraction form
    5,348,138.90/8,021,347.55 = 1,560,734.10/x
  3. Step 3: Cross multiply
    5,348,138.90x = 8,021,347.55 × 1,560,734.10
  4. Step 4: Simplify right side
    5,348,138.90x = 12,519,190,649,236.46
  5. Step 5: Solve for x
    x = 12,519,190,649,236.46/5,348,138.90
  6. Step 6: Final answer
    x = 2,340,849.94

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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.