Home / 2,889,257.40-4,330,775.70-1,091,446.20

Finding the Fourth Proportional to 2,889,257.40, 4,330,775.70 and 1,091,446.20

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Solution

The fourth proportional to 2,889,257.40, 4,330,775.70 and 1,091,446.20 is: 1,635,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,257.40 : 4,330,775.70 = 1,091,446.20 : x
  2. Step 2: Convert to fraction form
    2,889,257.40/4,330,775.70 = 1,091,446.20/x
  3. Step 3: Cross multiply
    2,889,257.40x = 4,330,775.70 × 1,091,446.20
  4. Step 4: Simplify right side
    2,889,257.40x = 4,726,808,680,817.34
  5. Step 5: Solve for x
    x = 4,726,808,680,817.34/2,889,257.40
  6. Step 6: Final answer
    x = 1,635,994.31

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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.