Home / 2,679,341.84-4,019,050.56-786,122.36

Finding the Fourth Proportional to 2,679,341.84, 4,019,050.56 and 786,122.36

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Solution

The fourth proportional to 2,679,341.84, 4,019,050.56 and 786,122.36 is: 1,179,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,341.84 : 4,019,050.56 = 786,122.36 : x
  2. Step 2: Convert to fraction form
    2,679,341.84/4,019,050.56 = 786,122.36/x
  3. Step 3: Cross multiply
    2,679,341.84x = 4,019,050.56 × 786,122.36
  4. Step 4: Simplify right side
    2,679,341.84x = 3,159,465,511,186.52
  5. Step 5: Solve for x
    x = 3,159,465,511,186.52/2,679,341.84
  6. Step 6: Final answer
    x = 1,179,194.63

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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.