Home / 2,146,775.81-2,962,569.13-1,179,928.62

Finding the Fourth Proportional to 2,146,775.81, 2,962,569.13 and 1,179,928.62

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Solution

The fourth proportional to 2,146,775.81, 2,962,569.13 and 1,179,928.62 is: 1,628,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,775.81 : 2,962,569.13 = 1,179,928.62 : x
  2. Step 2: Convert to fraction form
    2,146,775.81/2,962,569.13 = 1,179,928.62/x
  3. Step 3: Cross multiply
    2,146,775.81x = 2,962,569.13 × 1,179,928.62
  4. Step 4: Simplify right side
    2,146,775.81x = 3,495,620,102,265.68
  5. Step 5: Solve for x
    x = 3,495,620,102,265.68/2,146,775.81
  6. Step 6: Final answer
    x = 1,628,311.67

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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.