Home / 2,309,063.40-3,186,512.19-1,290,468.15

Finding the Fourth Proportional to 2,309,063.40, 3,186,512.19 and 1,290,468.15

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Solution

The fourth proportional to 2,309,063.40, 3,186,512.19 and 1,290,468.15 is: 1,780,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,063.40 : 3,186,512.19 = 1,290,468.15 : x
  2. Step 2: Convert to fraction form
    2,309,063.40/3,186,512.19 = 1,290,468.15/x
  3. Step 3: Cross multiply
    2,309,063.40x = 3,186,512.19 × 1,290,468.15
  4. Step 4: Simplify right side
    2,309,063.40x = 4,112,092,490,781.75
  5. Step 5: Solve for x
    x = 4,112,092,490,781.75/2,309,063.40
  6. Step 6: Final answer
    x = 1,780,848.67

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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.