Home / 3,142,438.20-4,713,563.79-868,099.50

Finding the Fourth Proportional to 3,142,438.20, 4,713,563.79 and 868,099.50

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Solution

The fourth proportional to 3,142,438.20, 4,713,563.79 and 868,099.50 is: 1,302,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,438.20 : 4,713,563.79 = 868,099.50 : x
  2. Step 2: Convert to fraction form
    3,142,438.20/4,713,563.79 = 868,099.50/x
  3. Step 3: Cross multiply
    3,142,438.20x = 4,713,563.79 × 868,099.50
  4. Step 4: Simplify right side
    3,142,438.20x = 4,091,842,369,317.11
  5. Step 5: Solve for x
    x = 4,091,842,369,317.11/3,142,438.20
  6. Step 6: Final answer
    x = 1,302,123.42

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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.