Home / 3,106,156.85-4,286,672.88-1,866,146.48

Finding the Fourth Proportional to 3,106,156.85, 4,286,672.88 and 1,866,146.48

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Solution

The fourth proportional to 3,106,156.85, 4,286,672.88 and 1,866,146.48 is: 2,575,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,156.85 : 4,286,672.88 = 1,866,146.48 : x
  2. Step 2: Convert to fraction form
    3,106,156.85/4,286,672.88 = 1,866,146.48/x
  3. Step 3: Cross multiply
    3,106,156.85x = 4,286,672.88 × 1,866,146.48
  4. Step 4: Simplify right side
    3,106,156.85x = 7,999,559,505,923.46
  5. Step 5: Solve for x
    x = 7,999,559,505,923.46/3,106,156.85
  6. Step 6: Final answer
    x = 2,575,388.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.