Home / 2,218,505.04-3,319,001.80-1,680,311.68

Finding the Fourth Proportional to 2,218,505.04, 3,319,001.80 and 1,680,311.68

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Solution

The fourth proportional to 2,218,505.04, 3,319,001.80 and 1,680,311.68 is: 2,513,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,505.04 : 3,319,001.80 = 1,680,311.68 : x
  2. Step 2: Convert to fraction form
    2,218,505.04/3,319,001.80 = 1,680,311.68/x
  3. Step 3: Cross multiply
    2,218,505.04x = 3,319,001.80 × 1,680,311.68
  4. Step 4: Simplify right side
    2,218,505.04x = 5,576,957,477,982.74
  5. Step 5: Solve for x
    x = 5,576,957,477,982.74/2,218,505.04
  6. Step 6: Final answer
    x = 2,513,835.84

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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.