Home / 2,027,780.95-2,798,146.33-1,211,822.19

Finding the Fourth Proportional to 2,027,780.95, 2,798,146.33 and 1,211,822.19

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Solution

The fourth proportional to 2,027,780.95, 2,798,146.33 and 1,211,822.19 is: 1,672,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027,780.95 : 2,798,146.33 = 1,211,822.19 : x
  2. Step 2: Convert to fraction form
    2,027,780.95/2,798,146.33 = 1,211,822.19/x
  3. Step 3: Cross multiply
    2,027,780.95x = 2,798,146.33 × 1,211,822.19
  4. Step 4: Simplify right side
    2,027,780.95x = 3,390,855,813,561.06
  5. Step 5: Solve for x
    x = 3,390,855,813,561.06/2,027,780.95
  6. Step 6: Final answer
    x = 1,672,200.25

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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.