Home / 1,911,567.49-2,637,962.99-1,040,408.43

Finding the Fourth Proportional to 1,911,567.49, 2,637,962.99 and 1,040,408.43

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Solution

The fourth proportional to 1,911,567.49, 2,637,962.99 and 1,040,408.43 is: 1,435,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,567.49 : 2,637,962.99 = 1,040,408.43 : x
  2. Step 2: Convert to fraction form
    1,911,567.49/2,637,962.99 = 1,040,408.43/x
  3. Step 3: Cross multiply
    1,911,567.49x = 2,637,962.99 × 1,040,408.43
  4. Step 4: Simplify right side
    1,911,567.49x = 2,744,558,932,824.01
  5. Step 5: Solve for x
    x = 2,744,558,932,824.01/1,911,567.49
  6. Step 6: Final answer
    x = 1,435,763.55

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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.