Home / 1,538,206.65-2,122,767.96-849,922.84

Finding the Fourth Proportional to 1,538,206.65, 2,122,767.96 and 849,922.84

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Solution

The fourth proportional to 1,538,206.65, 2,122,767.96 and 849,922.84 is: 1,172,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,206.65 : 2,122,767.96 = 849,922.84 : x
  2. Step 2: Convert to fraction form
    1,538,206.65/2,122,767.96 = 849,922.84/x
  3. Step 3: Cross multiply
    1,538,206.65x = 2,122,767.96 × 849,922.84
  4. Step 4: Simplify right side
    1,538,206.65x = 1,804,188,973,224.21
  5. Step 5: Solve for x
    x = 1,804,188,973,224.21/1,538,206.65
  6. Step 6: Final answer
    x = 1,172,917.16

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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.