Home / 2,898,128.72-3,999,339.84-1,737,230.88

Finding the Fourth Proportional to 2,898,128.72, 3,999,339.84 and 1,737,230.88

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Solution

The fourth proportional to 2,898,128.72, 3,999,339.84 and 1,737,230.88 is: 2,397,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,128.72 : 3,999,339.84 = 1,737,230.88 : x
  2. Step 2: Convert to fraction form
    2,898,128.72/3,999,339.84 = 1,737,230.88/x
  3. Step 3: Cross multiply
    2,898,128.72x = 3,999,339.84 × 1,737,230.88
  4. Step 4: Simplify right side
    2,898,128.72x = 6,947,776,669,662.26
  5. Step 5: Solve for x
    x = 6,947,776,669,662.26/2,898,128.72
  6. Step 6: Final answer
    x = 2,397,331.98

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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.