Home / 5,455,485.39-8,185,587.89-2,928,188.19

Finding the Fourth Proportional to 5,455,485.39, 8,185,587.89 and 2,928,188.19

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Solution

The fourth proportional to 5,455,485.39, 8,185,587.89 and 2,928,188.19 is: 4,393,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,485.39 : 8,185,587.89 = 2,928,188.19 : x
  2. Step 2: Convert to fraction form
    5,455,485.39/8,185,587.89 = 2,928,188.19/x
  3. Step 3: Cross multiply
    5,455,485.39x = 8,185,587.89 × 2,928,188.19
  4. Step 4: Simplify right side
    5,455,485.39x = 23,968,941,773,064.08
  5. Step 5: Solve for x
    x = 23,968,941,773,064.08/5,455,485.39
  6. Step 6: Final answer
    x = 4,393,548.89

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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.