Home / 4,815,421.92-7,223,123.08-1,172,122.92

Finding the Fourth Proportional to 4,815,421.92, 7,223,123.08 and 1,172,122.92

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Solution

The fourth proportional to 4,815,421.92, 7,223,123.08 and 1,172,122.92 is: 1,758,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,421.92 : 7,223,123.08 = 1,172,122.92 : x
  2. Step 2: Convert to fraction form
    4,815,421.92/7,223,123.08 = 1,172,122.92/x
  3. Step 3: Cross multiply
    4,815,421.92x = 7,223,123.08 × 1,172,122.92
  4. Step 4: Simplify right side
    4,815,421.92x = 8,466,388,116,048.99
  5. Step 5: Solve for x
    x = 8,466,388,116,048.99/4,815,421.92
  6. Step 6: Final answer
    x = 1,758,181.99

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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.