Home / 6,519,187.80-9,778,344.30-1,726,774.20

Finding the Fourth Proportional to 6,519,187.80, 9,778,344.30 and 1,726,774.20

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Solution

The fourth proportional to 6,519,187.80, 9,778,344.30 and 1,726,774.20 is: 2,590,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,187.80 : 9,778,344.30 = 1,726,774.20 : x
  2. Step 2: Convert to fraction form
    6,519,187.80/9,778,344.30 = 1,726,774.20/x
  3. Step 3: Cross multiply
    6,519,187.80x = 9,778,344.30 × 1,726,774.20
  4. Step 4: Simplify right side
    6,519,187.80x = 16,884,992,655,957.06
  5. Step 5: Solve for x
    x = 16,884,992,655,957.06/6,519,187.80
  6. Step 6: Final answer
    x = 2,590,045.44

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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.