Home / 3,110,647.50-4,292,693.61-1,679,863.50

Finding the Fourth Proportional to 3,110,647.50, 4,292,693.61 and 1,679,863.50

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Solution

The fourth proportional to 3,110,647.50, 4,292,693.61 and 1,679,863.50 is: 2,318,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,647.50 : 4,292,693.61 = 1,679,863.50 : x
  2. Step 2: Convert to fraction form
    3,110,647.50/4,292,693.61 = 1,679,863.50/x
  3. Step 3: Cross multiply
    3,110,647.50x = 4,292,693.61 × 1,679,863.50
  4. Step 4: Simplify right side
    3,110,647.50x = 7,211,139,312,122.24
  5. Step 5: Solve for x
    x = 7,211,139,312,122.24/3,110,647.50
  6. Step 6: Final answer
    x = 2,318,211.66

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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.