Home / 2,198,689.04-3,313,009.98-1,808,079.12

Finding the Fourth Proportional to 2,198,689.04, 3,313,009.98 and 1,808,079.12

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Solution

The fourth proportional to 2,198,689.04, 3,313,009.98 and 1,808,079.12 is: 2,724,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,689.04 : 3,313,009.98 = 1,808,079.12 : x
  2. Step 2: Convert to fraction form
    2,198,689.04/3,313,009.98 = 1,808,079.12/x
  3. Step 3: Cross multiply
    2,198,689.04x = 3,313,009.98 × 1,808,079.12
  4. Step 4: Simplify right side
    2,198,689.04x = 5,990,184,169,189.62
  5. Step 5: Solve for x
    x = 5,990,184,169,189.62/2,198,689.04
  6. Step 6: Final answer
    x = 2,724,434.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.