Home / 2,213,430.64-3,054,648-1,353,721.12

Finding the Fourth Proportional to 2,213,430.64, 3,054,648 and 1,353,721.12

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Solution

The fourth proportional to 2,213,430.64, 3,054,648 and 1,353,721.12 is: 1,868,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,430.64 : 3,054,648 = 1,353,721.12 : x
  2. Step 2: Convert to fraction form
    2,213,430.64/3,054,648 = 1,353,721.12/x
  3. Step 3: Cross multiply
    2,213,430.64x = 3,054,648 × 1,353,721.12
  4. Step 4: Simplify right side
    2,213,430.64x = 4,135,141,511,765.76
  5. Step 5: Solve for x
    x = 4,135,141,511,765.76/2,213,430.64
  6. Step 6: Final answer
    x = 1,868,204.69

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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.