Home / 2,318,077.76-3,199,143.80-1,285,918.10

Finding the Fourth Proportional to 2,318,077.76, 3,199,143.80 and 1,285,918.10

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Solution

The fourth proportional to 2,318,077.76, 3,199,143.80 and 1,285,918.10 is: 1,774,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,077.76 : 3,199,143.80 = 1,285,918.10 : x
  2. Step 2: Convert to fraction form
    2,318,077.76/3,199,143.80 = 1,285,918.10/x
  3. Step 3: Cross multiply
    2,318,077.76x = 3,199,143.80 × 1,285,918.10
  4. Step 4: Simplify right side
    2,318,077.76x = 4,113,836,916,922.78
  5. Step 5: Solve for x
    x = 4,113,836,916,922.78/2,318,077.76
  6. Step 6: Final answer
    x = 1,774,675.98

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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.