Home / 5,177,894.69-7,766,835.32-1,391,377.65

Finding the Fourth Proportional to 5,177,894.69, 7,766,835.32 and 1,391,377.65

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Solution

The fourth proportional to 5,177,894.69, 7,766,835.32 and 1,391,377.65 is: 2,087,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,894.69 : 7,766,835.32 = 1,391,377.65 : x
  2. Step 2: Convert to fraction form
    5,177,894.69/7,766,835.32 = 1,391,377.65/x
  3. Step 3: Cross multiply
    5,177,894.69x = 7,766,835.32 × 1,391,377.65
  4. Step 4: Simplify right side
    5,177,894.69x = 10,806,601,068,521.71
  5. Step 5: Solve for x
    x = 10,806,601,068,521.71/5,177,894.69
  6. Step 6: Final answer
    x = 2,087,064.67

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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.