Home / 6,120,408.12-9,180,280.14-1,860,244.20

Finding the Fourth Proportional to 6,120,408.12, 9,180,280.14 and 1,860,244.20

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Solution

The fourth proportional to 6,120,408.12, 9,180,280.14 and 1,860,244.20 is: 2,790,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,408.12 : 9,180,280.14 = 1,860,244.20 : x
  2. Step 2: Convert to fraction form
    6,120,408.12/9,180,280.14 = 1,860,244.20/x
  3. Step 3: Cross multiply
    6,120,408.12x = 9,180,280.14 × 1,860,244.20
  4. Step 4: Simplify right side
    6,120,408.12x = 17,077,562,914,117.69
  5. Step 5: Solve for x
    x = 17,077,562,914,117.69/6,120,408.12
  6. Step 6: Final answer
    x = 2,790,265.38

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1.5x scale

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.