Home / 3,910,999.80-5,866,499.70-3,314,604.90

Finding the Fourth Proportional to 3,910,999.80, 5,866,499.70 and 3,314,604.90

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Solution

The fourth proportional to 3,910,999.80, 5,866,499.70 and 3,314,604.90 is: 4,971,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,999.80 : 5,866,499.70 = 3,314,604.90 : x
  2. Step 2: Convert to fraction form
    3,910,999.80/5,866,499.70 = 3,314,604.90/x
  3. Step 3: Cross multiply
    3,910,999.80x = 5,866,499.70 × 3,314,604.90
  4. Step 4: Simplify right side
    3,910,999.80x = 19,445,128,651,468.53
  5. Step 5: Solve for x
    x = 19,445,128,651,468.53/3,910,999.80
  6. Step 6: Final answer
    x = 4,971,907.35

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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.