Home / 1,911,854.27-2,638,356.14-1,040,686.28

Finding the Fourth Proportional to 1,911,854.27, 2,638,356.14 and 1,040,686.28

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Solution

The fourth proportional to 1,911,854.27, 2,638,356.14 and 1,040,686.28 is: 1,436,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,854.27 : 2,638,356.14 = 1,040,686.28 : x
  2. Step 2: Convert to fraction form
    1,911,854.27/2,638,356.14 = 1,040,686.28/x
  3. Step 3: Cross multiply
    1,911,854.27x = 2,638,356.14 × 1,040,686.28
  4. Step 4: Simplify right side
    1,911,854.27x = 2,745,701,018,256.55
  5. Step 5: Solve for x
    x = 2,745,701,018,256.55/1,911,854.27
  6. Step 6: Final answer
    x = 1,436,145.56

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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.