Home / 2,788,068.79-4,182,540.59-1,190,640.25

Finding the Fourth Proportional to 2,788,068.79, 4,182,540.59 and 1,190,640.25

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Solution

The fourth proportional to 2,788,068.79, 4,182,540.59 and 1,190,640.25 is: 1,786,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,068.79 : 4,182,540.59 = 1,190,640.25 : x
  2. Step 2: Convert to fraction form
    2,788,068.79/4,182,540.59 = 1,190,640.25/x
  3. Step 3: Cross multiply
    2,788,068.79x = 4,182,540.59 × 1,190,640.25
  4. Step 4: Simplify right side
    2,788,068.79x = 4,979,901,173,712.75
  5. Step 5: Solve for x
    x = 4,979,901,173,712.75/2,788,068.79
  6. Step 6: Final answer
    x = 1,786,147.17

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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.