Home / 1,409,110.36-2,116,151.42-1,049,378.92

Finding the Fourth Proportional to 1,409,110.36, 2,116,151.42 and 1,049,378.92

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Solution

The fourth proportional to 1,409,110.36, 2,116,151.42 and 1,049,378.92 is: 1,575,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,110.36 : 2,116,151.42 = 1,049,378.92 : x
  2. Step 2: Convert to fraction form
    1,409,110.36/2,116,151.42 = 1,049,378.92/x
  3. Step 3: Cross multiply
    1,409,110.36x = 2,116,151.42 × 1,049,378.92
  4. Step 4: Simplify right side
    1,409,110.36x = 2,220,644,681,138.79
  5. Step 5: Solve for x
    x = 2,220,644,681,138.79/1,409,110.36
  6. Step 6: Final answer
    x = 1,575,919.64

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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.