Home / 1,911,429.61-2,637,773.27-1,040,267.71

Finding the Fourth Proportional to 1,911,429.61, 2,637,773.27 and 1,040,267.71

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Solution

The fourth proportional to 1,911,429.61, 2,637,773.27 and 1,040,267.71 is: 1,435,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,429.61 : 2,637,773.27 = 1,040,267.71 : x
  2. Step 2: Convert to fraction form
    1,911,429.61/2,637,773.27 = 1,040,267.71/x
  3. Step 3: Cross multiply
    1,911,429.61x = 2,637,773.27 × 1,040,267.71
  4. Step 4: Simplify right side
    1,911,429.61x = 2,743,990,361,078.99
  5. Step 5: Solve for x
    x = 2,743,990,361,078.99/1,911,429.61
  6. Step 6: Final answer
    x = 1,435,569.66

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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.