Home / 3,860,639.40-5,791,650.30-1,617,004.20

Finding the Fourth Proportional to 3,860,639.40, 5,791,650.30 and 1,617,004.20

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Solution

The fourth proportional to 3,860,639.40, 5,791,650.30 and 1,617,004.20 is: 2,425,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,639.40 : 5,791,650.30 = 1,617,004.20 : x
  2. Step 2: Convert to fraction form
    3,860,639.40/5,791,650.30 = 1,617,004.20/x
  3. Step 3: Cross multiply
    3,860,639.40x = 5,791,650.30 × 1,617,004.20
  4. Step 4: Simplify right side
    3,860,639.40x = 9,365,122,860,031.26
  5. Step 5: Solve for x
    x = 9,365,122,860,031.26/3,860,639.40
  6. Step 6: Final answer
    x = 2,425,795.80

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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.