Home / 5,485,691-7,570,310.28-3,309,813.74

Finding the Fourth Proportional to 5,485,691, 7,570,310.28 and 3,309,813.74

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Solution

The fourth proportional to 5,485,691, 7,570,310.28 and 3,309,813.74 is: 4,567,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,691 : 7,570,310.28 = 3,309,813.74 : x
  2. Step 2: Convert to fraction form
    5,485,691/7,570,310.28 = 3,309,813.74/x
  3. Step 3: Cross multiply
    5,485,691x = 7,570,310.28 × 3,309,813.74
  4. Step 4: Simplify right side
    5,485,691x = 25,056,316,980,807.25
  5. Step 5: Solve for x
    x = 25,056,316,980,807.25/5,485,691
  6. Step 6: Final answer
    x = 4,567,577.17

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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.