Home / 3,315,123.03-4,972,191.86-918,717.81

Finding the Fourth Proportional to 3,315,123.03, 4,972,191.86 and 918,717.81

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Solution

The fourth proportional to 3,315,123.03, 4,972,191.86 and 918,717.81 is: 1,377,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,123.03 : 4,972,191.86 = 918,717.81 : x
  2. Step 2: Convert to fraction form
    3,315,123.03/4,972,191.86 = 918,717.81/x
  3. Step 3: Cross multiply
    3,315,123.03x = 4,972,191.86 × 918,717.81
  4. Step 4: Simplify right side
    3,315,123.03x = 4,568,041,211,925.44
  5. Step 5: Solve for x
    x = 4,568,041,211,925.44/3,315,123.03
  6. Step 6: Final answer
    x = 1,377,940.18

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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.