Home / 1,999,921.71-2,759,410.25-1,214,964.82

Finding the Fourth Proportional to 1,999,921.71, 2,759,410.25 and 1,214,964.82

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Solution

The fourth proportional to 1,999,921.71, 2,759,410.25 and 1,214,964.82 is: 1,676,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,921.71 : 2,759,410.25 = 1,214,964.82 : x
  2. Step 2: Convert to fraction form
    1,999,921.71/2,759,410.25 = 1,214,964.82/x
  3. Step 3: Cross multiply
    1,999,921.71x = 2,759,410.25 × 1,214,964.82
  4. Step 4: Simplify right side
    1,999,921.71x = 3,352,586,357,825.53
  5. Step 5: Solve for x
    x = 3,352,586,357,825.53/1,999,921.71
  6. Step 6: Final answer
    x = 1,676,358.80

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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.