Home / 3,188,866.18-4,400,445.71-1,812,018.82

Finding the Fourth Proportional to 3,188,866.18, 4,400,445.71 and 1,812,018.82

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Solution

The fourth proportional to 3,188,866.18, 4,400,445.71 and 1,812,018.82 is: 2,500,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,866.18 : 4,400,445.71 = 1,812,018.82 : x
  2. Step 2: Convert to fraction form
    3,188,866.18/4,400,445.71 = 1,812,018.82/x
  3. Step 3: Cross multiply
    3,188,866.18x = 4,400,445.71 × 1,812,018.82
  4. Step 4: Simplify right side
    3,188,866.18x = 7,973,690,436,437.20
  5. Step 5: Solve for x
    x = 7,973,690,436,437.20/3,188,866.18
  6. Step 6: Final answer
    x = 2,500,478.22

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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.