Home / 2,919,692.30-4,379,957.21-898,106.65

Finding the Fourth Proportional to 2,919,692.30, 4,379,957.21 and 898,106.65

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Solution

The fourth proportional to 2,919,692.30, 4,379,957.21 and 898,106.65 is: 1,347,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,692.30 : 4,379,957.21 = 898,106.65 : x
  2. Step 2: Convert to fraction form
    2,919,692.30/4,379,957.21 = 898,106.65/x
  3. Step 3: Cross multiply
    2,919,692.30x = 4,379,957.21 × 898,106.65
  4. Step 4: Simplify right side
    2,919,692.30x = 3,933,668,688,311.82
  5. Step 5: Solve for x
    x = 3,933,668,688,311.82/2,919,692.30
  6. Step 6: Final answer
    x = 1,347,288.79

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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.