Home / 1,755,119.40-2,632,679.10-1,518,923.40

Finding the Fourth Proportional to 1,755,119.40, 2,632,679.10 and 1,518,923.40

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Solution

The fourth proportional to 1,755,119.40, 2,632,679.10 and 1,518,923.40 is: 2,278,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,119.40 : 2,632,679.10 = 1,518,923.40 : x
  2. Step 2: Convert to fraction form
    1,755,119.40/2,632,679.10 = 1,518,923.40/x
  3. Step 3: Cross multiply
    1,755,119.40x = 2,632,679.10 × 1,518,923.40
  4. Step 4: Simplify right side
    1,755,119.40x = 3,998,837,889,680.94
  5. Step 5: Solve for x
    x = 3,998,837,889,680.94/1,755,119.40
  6. Step 6: Final answer
    x = 2,278,385.10

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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.