Home / 2,141,170.95-2,954,809.92-1,223,684.76

Finding the Fourth Proportional to 2,141,170.95, 2,954,809.92 and 1,223,684.76

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Solution

The fourth proportional to 2,141,170.95, 2,954,809.92 and 1,223,684.76 is: 1,688,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,170.95 : 2,954,809.92 = 1,223,684.76 : x
  2. Step 2: Convert to fraction form
    2,141,170.95/2,954,809.92 = 1,223,684.76/x
  3. Step 3: Cross multiply
    2,141,170.95x = 2,954,809.92 × 1,223,684.76
  4. Step 4: Simplify right side
    2,141,170.95x = 3,615,755,867,800.82
  5. Step 5: Solve for x
    x = 3,615,755,867,800.82/2,141,170.95
  6. Step 6: Final answer
    x = 1,688,681.54

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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.