Home / 2,415,218.70-3,623,265.45-1,214,118.30

Finding the Fourth Proportional to 2,415,218.70, 3,623,265.45 and 1,214,118.30

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Solution

The fourth proportional to 2,415,218.70, 3,623,265.45 and 1,214,118.30 is: 1,821,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,218.70 : 3,623,265.45 = 1,214,118.30 : x
  2. Step 2: Convert to fraction form
    2,415,218.70/3,623,265.45 = 1,214,118.30/x
  3. Step 3: Cross multiply
    2,415,218.70x = 3,623,265.45 × 1,214,118.30
  4. Step 4: Simplify right side
    2,415,218.70x = 4,399,072,888,602.74
  5. Step 5: Solve for x
    x = 4,399,072,888,602.74/2,415,218.70
  6. Step 6: Final answer
    x = 1,821,397.33

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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.