Home / 1,979,738.06-2,732,038.49-1,074,320.06

Finding the Fourth Proportional to 1,979,738.06, 2,732,038.49 and 1,074,320.06

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Solution

The fourth proportional to 1,979,738.06, 2,732,038.49 and 1,074,320.06 is: 1,482,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,738.06 : 2,732,038.49 = 1,074,320.06 : x
  2. Step 2: Convert to fraction form
    1,979,738.06/2,732,038.49 = 1,074,320.06/x
  3. Step 3: Cross multiply
    1,979,738.06x = 2,732,038.49 × 1,074,320.06
  4. Step 4: Simplify right side
    1,979,738.06x = 2,935,083,735,467.32
  5. Step 5: Solve for x
    x = 2,935,083,735,467.32/1,979,738.06
  6. Step 6: Final answer
    x = 1,482,561.66

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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.