Home / 2,811,152.40-3,879,343.32-1,521,982.32

Finding the Fourth Proportional to 2,811,152.40, 3,879,343.32 and 1,521,982.32

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Solution

The fourth proportional to 2,811,152.40, 3,879,343.32 and 1,521,982.32 is: 2,100,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,152.40 : 3,879,343.32 = 1,521,982.32 : x
  2. Step 2: Convert to fraction form
    2,811,152.40/3,879,343.32 = 1,521,982.32/x
  3. Step 3: Cross multiply
    2,811,152.40x = 3,879,343.32 × 1,521,982.32
  4. Step 4: Simplify right side
    2,811,152.40x = 5,904,291,946,250.10
  5. Step 5: Solve for x
    x = 5,904,291,946,250.10/2,811,152.40
  6. Step 6: Final answer
    x = 2,100,310.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.