Home / 3,607,582-4,978,317.36-2,158,078.48

Finding the Fourth Proportional to 3,607,582, 4,978,317.36 and 2,158,078.48

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Solution

The fourth proportional to 3,607,582, 4,978,317.36 and 2,158,078.48 is: 2,978,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,582 : 4,978,317.36 = 2,158,078.48 : x
  2. Step 2: Convert to fraction form
    3,607,582/4,978,317.36 = 2,158,078.48/x
  3. Step 3: Cross multiply
    3,607,582x = 4,978,317.36 × 2,158,078.48
  4. Step 4: Simplify right side
    3,607,582x = 10,743,599,561,226.41
  5. Step 5: Solve for x
    x = 10,743,599,561,226.41/3,607,582
  6. Step 6: Final answer
    x = 2,978,061.08

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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.