Home / 3,118,182.40-4,675,891.20-1,435,801.60

Finding the Fourth Proportional to 3,118,182.40, 4,675,891.20 and 1,435,801.60

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Solution

The fourth proportional to 3,118,182.40, 4,675,891.20 and 1,435,801.60 is: 2,153,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,182.40 : 4,675,891.20 = 1,435,801.60 : x
  2. Step 2: Convert to fraction form
    3,118,182.40/4,675,891.20 = 1,435,801.60/x
  3. Step 3: Cross multiply
    3,118,182.40x = 4,675,891.20 × 1,435,801.60
  4. Step 4: Simplify right side
    3,118,182.40x = 6,713,652,066,385.92
  5. Step 5: Solve for x
    x = 6,713,652,066,385.92/3,118,182.40
  6. Step 6: Final answer
    x = 2,153,065.86

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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.