Home / 2,801,981.52-3,866,972.76-1,578,527.28

Finding the Fourth Proportional to 2,801,981.52, 3,866,972.76 and 1,578,527.28

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Solution

The fourth proportional to 2,801,981.52, 3,866,972.76 and 1,578,527.28 is: 2,178,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,981.52 : 3,866,972.76 = 1,578,527.28 : x
  2. Step 2: Convert to fraction form
    2,801,981.52/3,866,972.76 = 1,578,527.28/x
  3. Step 3: Cross multiply
    2,801,981.52x = 3,866,972.76 × 1,578,527.28
  4. Step 4: Simplify right side
    2,801,981.52x = 6,104,121,992,676.89
  5. Step 5: Solve for x
    x = 6,104,121,992,676.89/2,801,981.52
  6. Step 6: Final answer
    x = 2,178,501.87

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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.