Home / 1,538,205.95-2,122,767.95-859,186.19

Finding the Fourth Proportional to 1,538,205.95, 2,122,767.95 and 859,186.19

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Solution

The fourth proportional to 1,538,205.95, 2,122,767.95 and 859,186.19 is: 1,185,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,205.95 : 2,122,767.95 = 859,186.19 : x
  2. Step 2: Convert to fraction form
    1,538,205.95/2,122,767.95 = 859,186.19/x
  3. Step 3: Cross multiply
    1,538,205.95x = 2,122,767.95 × 859,186.19
  4. Step 4: Simplify right side
    1,538,205.95x = 1,823,852,892,304.84
  5. Step 5: Solve for x
    x = 1,823,852,892,304.84/1,538,205.95
  6. Step 6: Final answer
    x = 1,185,701.37

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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.