Home / 2,678,674.55-3,696,598.67-1,455,003.90

Finding the Fourth Proportional to 2,678,674.55, 3,696,598.67 and 1,455,003.90

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Solution

The fourth proportional to 2,678,674.55, 3,696,598.67 and 1,455,003.90 is: 2,007,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,674.55 : 3,696,598.67 = 1,455,003.90 : x
  2. Step 2: Convert to fraction form
    2,678,674.55/3,696,598.67 = 1,455,003.90/x
  3. Step 3: Cross multiply
    2,678,674.55x = 3,696,598.67 × 1,455,003.90
  4. Step 4: Simplify right side
    2,678,674.55x = 5,378,565,474,309.79
  5. Step 5: Solve for x
    x = 5,378,565,474,309.79/2,678,674.55
  6. Step 6: Final answer
    x = 2,007,920.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.