Home / 4,140,117.90-6,211,447.56-2,119,780.31

Finding the Fourth Proportional to 4,140,117.90, 6,211,447.56 and 2,119,780.31

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Solution

The fourth proportional to 4,140,117.90, 6,211,447.56 and 2,119,780.31 is: 3,180,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,117.90 : 6,211,447.56 = 2,119,780.31 : x
  2. Step 2: Convert to fraction form
    4,140,117.90/6,211,447.56 = 2,119,780.31/x
  3. Step 3: Cross multiply
    4,140,117.90x = 6,211,447.56 × 2,119,780.31
  4. Step 4: Simplify right side
    4,140,117.90x = 13,166,904,203,228.31
  5. Step 5: Solve for x
    x = 13,166,904,203,228.31/4,140,117.90
  6. Step 6: Final answer
    x = 3,180,321.07

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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.