Home / 2,289,894.90-3,438,232.20-1,281,031.80

Finding the Fourth Proportional to 2,289,894.90, 3,438,232.20 and 1,281,031.80

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Solution

The fourth proportional to 2,289,894.90, 3,438,232.20 and 1,281,031.80 is: 1,923,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,894.90 : 3,438,232.20 = 1,281,031.80 : x
  2. Step 2: Convert to fraction form
    2,289,894.90/3,438,232.20 = 1,281,031.80/x
  3. Step 3: Cross multiply
    2,289,894.90x = 3,438,232.20 × 1,281,031.80
  4. Step 4: Simplify right side
    2,289,894.90x = 4,404,484,783,983.96
  5. Step 5: Solve for x
    x = 4,404,484,783,983.96/2,289,894.90
  6. Step 6: Final answer
    x = 1,923,444.08

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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.