Home / 2,891,514.60-3,990,313.26-1,602,376.38

Finding the Fourth Proportional to 2,891,514.60, 3,990,313.26 and 1,602,376.38

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Solution

The fourth proportional to 2,891,514.60, 3,990,313.26 and 1,602,376.38 is: 2,211,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,514.60 : 3,990,313.26 = 1,602,376.38 : x
  2. Step 2: Convert to fraction form
    2,891,514.60/3,990,313.26 = 1,602,376.38/x
  3. Step 3: Cross multiply
    2,891,514.60x = 3,990,313.26 × 1,602,376.38
  4. Step 4: Simplify right side
    2,891,514.60x = 6,393,983,716,624.80
  5. Step 5: Solve for x
    x = 6,393,983,716,624.80/2,891,514.60
  6. Step 6: Final answer
    x = 2,211,292.21

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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.