Home / 2,118,957-3,158,474.31-1,948,895.88

Finding the Fourth Proportional to 2,118,957, 3,158,474.31 and 1,948,895.88

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Solution

The fourth proportional to 2,118,957, 3,158,474.31 and 1,948,895.88 is: 2,904,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,957 : 3,158,474.31 = 1,948,895.88 : x
  2. Step 2: Convert to fraction form
    2,118,957/3,158,474.31 = 1,948,895.88/x
  3. Step 3: Cross multiply
    2,118,957x = 3,158,474.31 × 1,948,895.88
  4. Step 4: Simplify right side
    2,118,957x = 6,155,537,569,844.84
  5. Step 5: Solve for x
    x = 6,155,537,569,844.84/2,118,957
  6. Step 6: Final answer
    x = 2,904,984.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.