Home / 1,886,854.53-2,603,513.31-1,112,728.22

Finding the Fourth Proportional to 1,886,854.53, 2,603,513.31 and 1,112,728.22

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Solution

The fourth proportional to 1,886,854.53, 2,603,513.31 and 1,112,728.22 is: 1,535,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,854.53 : 2,603,513.31 = 1,112,728.22 : x
  2. Step 2: Convert to fraction form
    1,886,854.53/2,603,513.31 = 1,112,728.22/x
  3. Step 3: Cross multiply
    1,886,854.53x = 2,603,513.31 × 1,112,728.22
  4. Step 4: Simplify right side
    1,886,854.53x = 2,897,002,718,165.04
  5. Step 5: Solve for x
    x = 2,897,002,718,165.04/1,886,854.53
  6. Step 6: Final answer
    x = 1,535,360.93

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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.