Home / 2,159,569.83-3,239,021.84-720,278.40

Finding the Fourth Proportional to 2,159,569.83, 3,239,021.84 and 720,278.40

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Solution

The fourth proportional to 2,159,569.83, 3,239,021.84 and 720,278.40 is: 1,080,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,569.83 : 3,239,021.84 = 720,278.40 : x
  2. Step 2: Convert to fraction form
    2,159,569.83/3,239,021.84 = 720,278.40/x
  3. Step 3: Cross multiply
    2,159,569.83x = 3,239,021.84 × 720,278.40
  4. Step 4: Simplify right side
    2,159,569.83x = 2,332,997,464,878.86
  5. Step 5: Solve for x
    x = 2,332,997,464,878.86/2,159,569.83
  6. Step 6: Final answer
    x = 1,080,306.56

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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.