Home / 4,987,145.86-7,480,718.80-3,851,564.40

Finding the Fourth Proportional to 4,987,145.86, 7,480,718.80 and 3,851,564.40

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Solution

The fourth proportional to 4,987,145.86, 7,480,718.80 and 3,851,564.40 is: 5,777,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,145.86 : 7,480,718.80 = 3,851,564.40 : x
  2. Step 2: Convert to fraction form
    4,987,145.86/7,480,718.80 = 3,851,564.40/x
  3. Step 3: Cross multiply
    4,987,145.86x = 7,480,718.80 × 3,851,564.40
  4. Step 4: Simplify right side
    4,987,145.86x = 28,812,470,206,861.81
  5. Step 5: Solve for x
    x = 28,812,470,206,861.81/4,987,145.86
  6. Step 6: Final answer
    x = 5,777,346.61

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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.