Home / 2,702,638.45-3,729,641.34-1,478,944.22

Finding the Fourth Proportional to 2,702,638.45, 3,729,641.34 and 1,478,944.22

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Solution

The fourth proportional to 2,702,638.45, 3,729,641.34 and 1,478,944.22 is: 2,040,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702,638.45 : 3,729,641.34 = 1,478,944.22 : x
  2. Step 2: Convert to fraction form
    2,702,638.45/3,729,641.34 = 1,478,944.22/x
  3. Step 3: Cross multiply
    2,702,638.45x = 3,729,641.34 × 1,478,944.22
  4. Step 4: Simplify right side
    2,702,638.45x = 5,515,931,502,466.06
  5. Step 5: Solve for x
    x = 5,515,931,502,466.06/2,702,638.45
  6. Step 6: Final answer
    x = 2,040,943.18

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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.