Home / 2,610,219.40-3,915,329.40-813,247.76

Finding the Fourth Proportional to 2,610,219.40, 3,915,329.40 and 813,247.76

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Solution

The fourth proportional to 2,610,219.40, 3,915,329.40 and 813,247.76 is: 1,219,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610,219.40 : 3,915,329.40 = 813,247.76 : x
  2. Step 2: Convert to fraction form
    2,610,219.40/3,915,329.40 = 813,247.76/x
  3. Step 3: Cross multiply
    2,610,219.40x = 3,915,329.40 × 813,247.76
  4. Step 4: Simplify right side
    2,610,219.40x = 3,184,132,874,000.47
  5. Step 5: Solve for x
    x = 3,184,132,874,000.47/2,610,219.40
  6. Step 6: Final answer
    x = 1,219,871.74

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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.