Home / 5,629,978.17-8,444,968.13-1,370,146.39

Finding the Fourth Proportional to 5,629,978.17, 8,444,968.13 and 1,370,146.39

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Solution

The fourth proportional to 5,629,978.17, 8,444,968.13 and 1,370,146.39 is: 2,055,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629,978.17 : 8,444,968.13 = 1,370,146.39 : x
  2. Step 2: Convert to fraction form
    5,629,978.17/8,444,968.13 = 1,370,146.39/x
  3. Step 3: Cross multiply
    5,629,978.17x = 8,444,968.13 × 1,370,146.39
  4. Step 4: Simplify right side
    5,629,978.17x = 11,570,842,579,297.50
  5. Step 5: Solve for x
    x = 11,570,842,579,297.50/5,629,978.17
  6. Step 6: Final answer
    x = 2,055,219.79

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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.