Home / 3,878,806.78-5,808,992.70-1,953,661.76

Finding the Fourth Proportional to 3,878,806.78, 5,808,992.70 and 1,953,661.76

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Solution

The fourth proportional to 3,878,806.78, 5,808,992.70 and 1,953,661.76 is: 2,925,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,806.78 : 5,808,992.70 = 1,953,661.76 : x
  2. Step 2: Convert to fraction form
    3,878,806.78/5,808,992.70 = 1,953,661.76/x
  3. Step 3: Cross multiply
    3,878,806.78x = 5,808,992.70 × 1,953,661.76
  4. Step 4: Simplify right side
    3,878,806.78x = 11,348,806,902,109.15
  5. Step 5: Solve for x
    x = 11,348,806,902,109.15/3,878,806.78
  6. Step 6: Final answer
    x = 2,925,850.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.