Home / 1,641,018.95-2,261,895.61-1,096,956.21

Finding the Fourth Proportional to 1,641,018.95, 2,261,895.61 and 1,096,956.21

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Solution

The fourth proportional to 1,641,018.95, 2,261,895.61 and 1,096,956.21 is: 1,511,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,018.95 : 2,261,895.61 = 1,096,956.21 : x
  2. Step 2: Convert to fraction form
    1,641,018.95/2,261,895.61 = 1,096,956.21/x
  3. Step 3: Cross multiply
    1,641,018.95x = 2,261,895.61 × 1,096,956.21
  4. Step 4: Simplify right side
    1,641,018.95x = 2,481,200,430,276.46
  5. Step 5: Solve for x
    x = 2,481,200,430,276.46/1,641,018.95
  6. Step 6: Final answer
    x = 1,511,987.68

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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.