Home / 3,087,138.45-4,258,894.03-1,862,761.08

Finding the Fourth Proportional to 3,087,138.45, 4,258,894.03 and 1,862,761.08

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Solution

The fourth proportional to 3,087,138.45, 4,258,894.03 and 1,862,761.08 is: 2,569,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,138.45 : 4,258,894.03 = 1,862,761.08 : x
  2. Step 2: Convert to fraction form
    3,087,138.45/4,258,894.03 = 1,862,761.08/x
  3. Step 3: Cross multiply
    3,087,138.45x = 4,258,894.03 × 1,862,761.08
  4. Step 4: Simplify right side
    3,087,138.45x = 7,933,302,038,271.45
  5. Step 5: Solve for x
    x = 7,933,302,038,271.45/3,087,138.45
  6. Step 6: Final answer
    x = 2,569,791.46

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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.