Home / 3,843,129.78-5,303,626.22-2,124,360.81

Finding the Fourth Proportional to 3,843,129.78, 5,303,626.22 and 2,124,360.81

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Solution

The fourth proportional to 3,843,129.78, 5,303,626.22 and 2,124,360.81 is: 2,931,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843,129.78 : 5,303,626.22 = 2,124,360.81 : x
  2. Step 2: Convert to fraction form
    3,843,129.78/5,303,626.22 = 2,124,360.81/x
  3. Step 3: Cross multiply
    3,843,129.78x = 5,303,626.22 × 2,124,360.81
  4. Step 4: Simplify right side
    3,843,129.78x = 11,266,815,682,034.63
  5. Step 5: Solve for x
    x = 11,266,815,682,034.63/3,843,129.78
  6. Step 6: Final answer
    x = 2,931,677.13

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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.