Home / 2,074,318.25-3,112,931.79-859,913.60

Finding the Fourth Proportional to 2,074,318.25, 3,112,931.79 and 859,913.60

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Solution

The fourth proportional to 2,074,318.25, 3,112,931.79 and 859,913.60 is: 1,290,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,318.25 : 3,112,931.79 = 859,913.60 : x
  2. Step 2: Convert to fraction form
    2,074,318.25/3,112,931.79 = 859,913.60/x
  3. Step 3: Cross multiply
    2,074,318.25x = 3,112,931.79 × 859,913.60
  4. Step 4: Simplify right side
    2,074,318.25x = 2,676,852,366,528.69
  5. Step 5: Solve for x
    x = 2,676,852,366,528.69/2,074,318.25
  6. Step 6: Final answer
    x = 1,290,473.33

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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.