Home / 1,979,721.36-2,732,015.44-1,074,303.36

Finding the Fourth Proportional to 1,979,721.36, 2,732,015.44 and 1,074,303.36

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Solution

The fourth proportional to 1,979,721.36, 2,732,015.44 and 1,074,303.36 is: 1,482,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,721.36 : 2,732,015.44 = 1,074,303.36 : x
  2. Step 2: Convert to fraction form
    1,979,721.36/2,732,015.44 = 1,074,303.36/x
  3. Step 3: Cross multiply
    1,979,721.36x = 2,732,015.44 × 1,074,303.36
  4. Step 4: Simplify right side
    1,979,721.36x = 2,935,013,366,763.88
  5. Step 5: Solve for x
    x = 2,935,013,366,763.88/1,979,721.36
  6. Step 6: Final answer
    x = 1,482,538.62

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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.