Home / 3,518,666.24-5,278,433.99-1,243,721.52

Finding the Fourth Proportional to 3,518,666.24, 5,278,433.99 and 1,243,721.52

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Solution

The fourth proportional to 3,518,666.24, 5,278,433.99 and 1,243,721.52 is: 1,865,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,666.24 : 5,278,433.99 = 1,243,721.52 : x
  2. Step 2: Convert to fraction form
    3,518,666.24/5,278,433.99 = 1,243,721.52/x
  3. Step 3: Cross multiply
    3,518,666.24x = 5,278,433.99 × 1,243,721.52
  4. Step 4: Simplify right side
    3,518,666.24x = 6,564,901,939,043.86
  5. Step 5: Solve for x
    x = 6,564,901,939,043.86/3,518,666.24
  6. Step 6: Final answer
    x = 1,865,735.91

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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.