Home / 1,668,219.76-2,490,121.04-1,433,073.52

Finding the Fourth Proportional to 1,668,219.76, 2,490,121.04 and 1,433,073.52

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Solution

The fourth proportional to 1,668,219.76, 2,490,121.04 and 1,433,073.52 is: 2,139,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,219.76 : 2,490,121.04 = 1,433,073.52 : x
  2. Step 2: Convert to fraction form
    1,668,219.76/2,490,121.04 = 1,433,073.52/x
  3. Step 3: Cross multiply
    1,668,219.76x = 2,490,121.04 × 1,433,073.52
  4. Step 4: Simplify right side
    1,668,219.76x = 3,568,526,524,018.86
  5. Step 5: Solve for x
    x = 3,568,526,524,018.86/1,668,219.76
  6. Step 6: Final answer
    x = 2,139,122.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.