Home / 3,385,145.21-5,077,750.61-860,800.46

Finding the Fourth Proportional to 3,385,145.21, 5,077,750.61 and 860,800.46

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Solution

The fourth proportional to 3,385,145.21, 5,077,750.61 and 860,800.46 is: 1,291,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385,145.21 : 5,077,750.61 = 860,800.46 : x
  2. Step 2: Convert to fraction form
    3,385,145.21/5,077,750.61 = 860,800.46/x
  3. Step 3: Cross multiply
    3,385,145.21x = 5,077,750.61 × 860,800.46
  4. Step 4: Simplify right side
    3,385,145.21x = 4,370,930,031,160.53
  5. Step 5: Solve for x
    x = 4,370,930,031,160.53/3,385,145.21
  6. Step 6: Final answer
    x = 1,291,209.02

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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.