Home / 2,003,763.90-2,999,740.95-1,330,605.30

Finding the Fourth Proportional to 2,003,763.90, 2,999,740.95 and 1,330,605.30

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Solution

The fourth proportional to 2,003,763.90, 2,999,740.95 and 1,330,605.30 is: 1,991,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,763.90 : 2,999,740.95 = 1,330,605.30 : x
  2. Step 2: Convert to fraction form
    2,003,763.90/2,999,740.95 = 1,330,605.30/x
  3. Step 3: Cross multiply
    2,003,763.90x = 2,999,740.95 × 1,330,605.30
  4. Step 4: Simplify right side
    2,003,763.90x = 3,991,471,206,697.04
  5. Step 5: Solve for x
    x = 3,991,471,206,697.04/2,003,763.90
  6. Step 6: Final answer
    x = 1,991,986.78

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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.