Home / 5,485,528.61-8,231,656.12-2,455,456.51

Finding the Fourth Proportional to 5,485,528.61, 8,231,656.12 and 2,455,456.51

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Solution

The fourth proportional to 5,485,528.61, 8,231,656.12 and 2,455,456.51 is: 3,684,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,528.61 : 8,231,656.12 = 2,455,456.51 : x
  2. Step 2: Convert to fraction form
    5,485,528.61/8,231,656.12 = 2,455,456.51/x
  3. Step 3: Cross multiply
    5,485,528.61x = 8,231,656.12 × 2,455,456.51
  4. Step 4: Simplify right side
    5,485,528.61x = 20,212,473,607,935.34
  5. Step 5: Solve for x
    x = 20,212,473,607,935.34/5,485,528.61
  6. Step 6: Final answer
    x = 3,684,690.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.