Home / 2,195,848.90-3,030,366.18-1,215,787.92

Finding the Fourth Proportional to 2,195,848.90, 3,030,366.18 and 1,215,787.92

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Solution

The fourth proportional to 2,195,848.90, 3,030,366.18 and 1,215,787.92 is: 1,677,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,848.90 : 3,030,366.18 = 1,215,787.92 : x
  2. Step 2: Convert to fraction form
    2,195,848.90/3,030,366.18 = 1,215,787.92/x
  3. Step 3: Cross multiply
    2,195,848.90x = 3,030,366.18 × 1,215,787.92
  4. Step 4: Simplify right side
    2,195,848.90x = 3,684,282,594,820.55
  5. Step 5: Solve for x
    x = 3,684,282,594,820.55/2,195,848.90
  6. Step 6: Final answer
    x = 1,677,839.76

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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.