Home / 3,880,205-5,354,848.13-2,161,325.06

Finding the Fourth Proportional to 3,880,205, 5,354,848.13 and 2,161,325.06

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Solution

The fourth proportional to 3,880,205, 5,354,848.13 and 2,161,325.06 is: 2,982,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,205 : 5,354,848.13 = 2,161,325.06 : x
  2. Step 2: Convert to fraction form
    3,880,205/5,354,848.13 = 2,161,325.06/x
  3. Step 3: Cross multiply
    3,880,205x = 5,354,848.13 × 2,161,325.06
  4. Step 4: Simplify right side
    3,880,205x = 11,573,567,455,863.14
  5. Step 5: Solve for x
    x = 11,573,567,455,863.14/3,880,205
  6. Step 6: Final answer
    x = 2,982,720.62

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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.