Home / 2,811,150.08-3,879,340.80-1,521,980.16

Finding the Fourth Proportional to 2,811,150.08, 3,879,340.80 and 1,521,980.16

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Solution

The fourth proportional to 2,811,150.08, 3,879,340.80 and 1,521,980.16 is: 2,100,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,150.08 : 3,879,340.80 = 1,521,980.16 : x
  2. Step 2: Convert to fraction form
    2,811,150.08/3,879,340.80 = 1,521,980.16/x
  3. Step 3: Cross multiply
    2,811,150.08x = 3,879,340.80 × 1,521,980.16
  4. Step 4: Simplify right side
    2,811,150.08x = 5,904,279,731,478.53
  5. Step 5: Solve for x
    x = 5,904,279,731,478.53/2,811,150.08
  6. Step 6: Final answer
    x = 2,100,307.55

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1.5x scale

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.