Home / 3,912,088.86-5,863,991.60-1,315,922.13

Finding the Fourth Proportional to 3,912,088.86, 5,863,991.60 and 1,315,922.13

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Solution

The fourth proportional to 3,912,088.86, 5,863,991.60 and 1,315,922.13 is: 1,972,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,088.86 : 5,863,991.60 = 1,315,922.13 : x
  2. Step 2: Convert to fraction form
    3,912,088.86/5,863,991.60 = 1,315,922.13/x
  3. Step 3: Cross multiply
    3,912,088.86x = 5,863,991.60 × 1,315,922.13
  4. Step 4: Simplify right side
    3,912,088.86x = 7,716,556,309,994.50
  5. Step 5: Solve for x
    x = 7,716,556,309,994.50/3,912,088.86
  6. Step 6: Final answer
    x = 1,972,490.04

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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.