Home / 4,871,028.72-6,721,953.16-2,695,439.32

Finding the Fourth Proportional to 4,871,028.72, 6,721,953.16 and 2,695,439.32

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Solution

The fourth proportional to 4,871,028.72, 6,721,953.16 and 2,695,439.32 is: 3,719,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,028.72 : 6,721,953.16 = 2,695,439.32 : x
  2. Step 2: Convert to fraction form
    4,871,028.72/6,721,953.16 = 2,695,439.32/x
  3. Step 3: Cross multiply
    4,871,028.72x = 6,721,953.16 × 2,695,439.32
  4. Step 4: Simplify right side
    4,871,028.72x = 18,118,616,854,662.25
  5. Step 5: Solve for x
    x = 18,118,616,854,662.25/4,871,028.72
  6. Step 6: Final answer
    x = 3,719,669.48

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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.