Home / 2,771,212.80-4,156,948.80-878,102.40

Finding the Fourth Proportional to 2,771,212.80, 4,156,948.80 and 878,102.40

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Solution

The fourth proportional to 2,771,212.80, 4,156,948.80 and 878,102.40 is: 1,317,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771,212.80 : 4,156,948.80 = 878,102.40 : x
  2. Step 2: Convert to fraction form
    2,771,212.80/4,156,948.80 = 878,102.40/x
  3. Step 3: Cross multiply
    2,771,212.80x = 4,156,948.80 × 878,102.40
  4. Step 4: Simplify right side
    2,771,212.80x = 3,650,226,717,957.12
  5. Step 5: Solve for x
    x = 3,650,226,717,957.12/2,771,212.80
  6. Step 6: Final answer
    x = 1,317,194.67

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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.