Home / 2,235,257.81-3,353,386.73-815,313.88

Finding the Fourth Proportional to 2,235,257.81, 3,353,386.73 and 815,313.88

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Solution

The fourth proportional to 2,235,257.81, 3,353,386.73 and 815,313.88 is: 1,223,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,257.81 : 3,353,386.73 = 815,313.88 : x
  2. Step 2: Convert to fraction form
    2,235,257.81/3,353,386.73 = 815,313.88/x
  3. Step 3: Cross multiply
    2,235,257.81x = 3,353,386.73 × 815,313.88
  4. Step 4: Simplify right side
    2,235,257.81x = 2,734,062,761,894.18
  5. Step 5: Solve for x
    x = 2,734,062,761,894.18/2,235,257.81
  6. Step 6: Final answer
    x = 1,223,153.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.