Home / 1,927,215.42-2,889,702.60-729,230.28

Finding the Fourth Proportional to 1,927,215.42, 2,889,702.60 and 729,230.28

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Solution

The fourth proportional to 1,927,215.42, 2,889,702.60 and 729,230.28 is: 1,093,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,215.42 : 2,889,702.60 = 729,230.28 : x
  2. Step 2: Convert to fraction form
    1,927,215.42/2,889,702.60 = 729,230.28/x
  3. Step 3: Cross multiply
    1,927,215.42x = 2,889,702.60 × 729,230.28
  4. Step 4: Simplify right side
    1,927,215.42x = 2,107,258,636,114.73
  5. Step 5: Solve for x
    x = 2,107,258,636,114.73/1,927,215.42
  6. Step 6: Final answer
    x = 1,093,421.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.