Home / 2,421,218.16-3,341,033.82-1,490,778.15

Finding the Fourth Proportional to 2,421,218.16, 3,341,033.82 and 1,490,778.15

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Solution

The fourth proportional to 2,421,218.16, 3,341,033.82 and 1,490,778.15 is: 2,057,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,218.16 : 3,341,033.82 = 1,490,778.15 : x
  2. Step 2: Convert to fraction form
    2,421,218.16/3,341,033.82 = 1,490,778.15/x
  3. Step 3: Cross multiply
    2,421,218.16x = 3,341,033.82 × 1,490,778.15
  4. Step 4: Simplify right side
    2,421,218.16x = 4,980,740,211,676.62
  5. Step 5: Solve for x
    x = 4,980,740,211,676.62/2,421,218.16
  6. Step 6: Final answer
    x = 2,057,121.61

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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.