Home / 1,540,605.15-2,310,907.73-1,440,221.85

Finding the Fourth Proportional to 1,540,605.15, 2,310,907.73 and 1,440,221.85

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Solution

The fourth proportional to 1,540,605.15, 2,310,907.73 and 1,440,221.85 is: 2,160,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,605.15 : 2,310,907.73 = 1,440,221.85 : x
  2. Step 2: Convert to fraction form
    1,540,605.15/2,310,907.73 = 1,440,221.85/x
  3. Step 3: Cross multiply
    1,540,605.15x = 2,310,907.73 × 1,440,221.85
  4. Step 4: Simplify right side
    1,540,605.15x = 3,328,219,798,878.79
  5. Step 5: Solve for x
    x = 3,328,219,798,878.79/1,540,605.15
  6. Step 6: Final answer
    x = 2,160,332.78

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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.