Home / 3,872,801.84-5,344,655.81-2,153,885.45

Finding the Fourth Proportional to 3,872,801.84, 5,344,655.81 and 2,153,885.45

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Solution

The fourth proportional to 3,872,801.84, 5,344,655.81 and 2,153,885.45 is: 2,972,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,801.84 : 5,344,655.81 = 2,153,885.45 : x
  2. Step 2: Convert to fraction form
    3,872,801.84/5,344,655.81 = 2,153,885.45/x
  3. Step 3: Cross multiply
    3,872,801.84x = 5,344,655.81 × 2,153,885.45
  4. Step 4: Simplify right side
    3,872,801.84x = 11,511,776,346,924.26
  5. Step 5: Solve for x
    x = 11,511,776,346,924.26/3,872,801.84
  6. Step 6: Final answer
    x = 2,972,467.18

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Double scale
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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.