Home / 2,666,780.30-3,680,179.07-1,564,870.61

Finding the Fourth Proportional to 2,666,780.30, 3,680,179.07 and 1,564,870.61

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Solution

The fourth proportional to 2,666,780.30, 3,680,179.07 and 1,564,870.61 is: 2,159,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,780.30 : 3,680,179.07 = 1,564,870.61 : x
  2. Step 2: Convert to fraction form
    2,666,780.30/3,680,179.07 = 1,564,870.61/x
  3. Step 3: Cross multiply
    2,666,780.30x = 3,680,179.07 × 1,564,870.61
  4. Step 4: Simplify right side
    2,666,780.30x = 5,759,004,066,180.13
  5. Step 5: Solve for x
    x = 5,759,004,066,180.13/2,666,780.30
  6. Step 6: Final answer
    x = 2,159,534.50

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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.