Home / 5,571,258.40-7,685,507.05-3,638,650.24

Finding the Fourth Proportional to 5,571,258.40, 7,685,507.05 and 3,638,650.24

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Solution

The fourth proportional to 5,571,258.40, 7,685,507.05 and 3,638,650.24 is: 5,019,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571,258.40 : 7,685,507.05 = 3,638,650.24 : x
  2. Step 2: Convert to fraction form
    5,571,258.40/7,685,507.05 = 3,638,650.24/x
  3. Step 3: Cross multiply
    5,571,258.40x = 7,685,507.05 × 3,638,650.24
  4. Step 4: Simplify right side
    5,571,258.40x = 27,964,872,086,159.39
  5. Step 5: Solve for x
    x = 27,964,872,086,159.39/5,571,258.40
  6. Step 6: Final answer
    x = 5,019,489.33

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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.