Home / 3,521,123.20-5,277,019.20-3,119,881.60

Finding the Fourth Proportional to 3,521,123.20, 5,277,019.20 and 3,119,881.60

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Solution

The fourth proportional to 3,521,123.20, 5,277,019.20 and 3,119,881.60 is: 4,675,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,123.20 : 5,277,019.20 = 3,119,881.60 : x
  2. Step 2: Convert to fraction form
    3,521,123.20/5,277,019.20 = 3,119,881.60/x
  3. Step 3: Cross multiply
    3,521,123.20x = 5,277,019.20 × 3,119,881.60
  4. Step 4: Simplify right side
    3,521,123.20x = 16,463,675,104,926.72
  5. Step 5: Solve for x
    x = 16,463,675,104,926.72/3,521,123.20
  6. Step 6: Final answer
    x = 4,675,688.46

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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.