Home / 2,889,638.60-4,328,237.10-2,391,974.60

Finding the Fourth Proportional to 2,889,638.60, 4,328,237.10 and 2,391,974.60

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Solution

The fourth proportional to 2,889,638.60, 4,328,237.10 and 2,391,974.60 is: 3,582,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,638.60 : 4,328,237.10 = 2,391,974.60 : x
  2. Step 2: Convert to fraction form
    2,889,638.60/4,328,237.10 = 2,391,974.60/x
  3. Step 3: Cross multiply
    2,889,638.60x = 4,328,237.10 × 2,391,974.60
  4. Step 4: Simplify right side
    2,889,638.60x = 10,353,033,205,977.66
  5. Step 5: Solve for x
    x = 10,353,033,205,977.66/2,889,638.60
  6. Step 6: Final answer
    x = 3,582,812.47

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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.