Home / 4,139,810.20-6,209,715.30-3,132,040.60

Finding the Fourth Proportional to 4,139,810.20, 6,209,715.30 and 3,132,040.60

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Solution

The fourth proportional to 4,139,810.20, 6,209,715.30 and 3,132,040.60 is: 4,698,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,810.20 : 6,209,715.30 = 3,132,040.60 : x
  2. Step 2: Convert to fraction form
    4,139,810.20/6,209,715.30 = 3,132,040.60/x
  3. Step 3: Cross multiply
    4,139,810.20x = 6,209,715.30 × 3,132,040.60
  4. Step 4: Simplify right side
    4,139,810.20x = 19,449,080,434,041.18
  5. Step 5: Solve for x
    x = 19,449,080,434,041.18/4,139,810.20
  6. Step 6: Final answer
    x = 4,698,060.90

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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.