Home / 2,111,258.70-3,166,888.32-513,821.79

Finding the Fourth Proportional to 2,111,258.70, 3,166,888.32 and 513,821.79

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Solution

The fourth proportional to 2,111,258.70, 3,166,888.32 and 513,821.79 is: 770,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,258.70 : 3,166,888.32 = 513,821.79 : x
  2. Step 2: Convert to fraction form
    2,111,258.70/3,166,888.32 = 513,821.79/x
  3. Step 3: Cross multiply
    2,111,258.70x = 3,166,888.32 × 513,821.79
  4. Step 4: Simplify right side
    2,111,258.70x = 1,627,216,225,312.49
  5. Step 5: Solve for x
    x = 1,627,216,225,312.49/2,111,258.70
  6. Step 6: Final answer
    x = 770,732.75

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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.