Home / 2,517,985.19-3,776,973.08-788,987.39

Finding the Fourth Proportional to 2,517,985.19, 3,776,973.08 and 788,987.39

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Solution

The fourth proportional to 2,517,985.19, 3,776,973.08 and 788,987.39 is: 1,183,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,985.19 : 3,776,973.08 = 788,987.39 : x
  2. Step 2: Convert to fraction form
    2,517,985.19/3,776,973.08 = 788,987.39/x
  3. Step 3: Cross multiply
    2,517,985.19x = 3,776,973.08 × 788,987.39
  4. Step 4: Simplify right side
    2,517,985.19x = 2,979,984,137,986.96
  5. Step 5: Solve for x
    x = 2,979,984,137,986.96/2,517,985.19
  6. Step 6: Final answer
    x = 1,183,479.61

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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.