Home / 3,917,541.45-5,406,217.59-2,175,214.05

Finding the Fourth Proportional to 3,917,541.45, 5,406,217.59 and 2,175,214.05

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Solution

The fourth proportional to 3,917,541.45, 5,406,217.59 and 2,175,214.05 is: 3,001,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,541.45 : 5,406,217.59 = 2,175,214.05 : x
  2. Step 2: Convert to fraction form
    3,917,541.45/5,406,217.59 = 2,175,214.05/x
  3. Step 3: Cross multiply
    3,917,541.45x = 5,406,217.59 × 2,175,214.05
  4. Step 4: Simplify right side
    3,917,541.45x = 11,759,680,459,125.14
  5. Step 5: Solve for x
    x = 11,759,680,459,125.14/3,917,541.45
  6. Step 6: Final answer
    x = 3,001,801.16

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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.