Home / 1,973,535.77-2,954,981.07-1,288,726.23

Finding the Fourth Proportional to 1,973,535.77, 2,954,981.07 and 1,288,726.23

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Solution

The fourth proportional to 1,973,535.77, 2,954,981.07 and 1,288,726.23 is: 1,929,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,535.77 : 2,954,981.07 = 1,288,726.23 : x
  2. Step 2: Convert to fraction form
    1,973,535.77/2,954,981.07 = 1,288,726.23/x
  3. Step 3: Cross multiply
    1,973,535.77x = 2,954,981.07 × 1,288,726.23
  4. Step 4: Simplify right side
    1,973,535.77x = 3,808,161,614,062.47
  5. Step 5: Solve for x
    x = 3,808,161,614,062.47/1,973,535.77
  6. Step 6: Final answer
    x = 1,929,613.68

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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.