Home / 2,191,215.34-3,023,870.78-1,224,346.39

Finding the Fourth Proportional to 2,191,215.34, 3,023,870.78 and 1,224,346.39

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Solution

The fourth proportional to 2,191,215.34, 3,023,870.78 and 1,224,346.39 is: 1,689,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,215.34 : 3,023,870.78 = 1,224,346.39 : x
  2. Step 2: Convert to fraction form
    2,191,215.34/3,023,870.78 = 1,224,346.39/x
  3. Step 3: Cross multiply
    2,191,215.34x = 3,023,870.78 × 1,224,346.39
  4. Step 4: Simplify right side
    2,191,215.34x = 3,702,265,273,319.48
  5. Step 5: Solve for x
    x = 3,702,265,273,319.48/2,191,215.34
  6. Step 6: Final answer
    x = 1,689,594.45

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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.