Home / 3,110,689.50-4,292,751.69-1,679,905.50

Finding the Fourth Proportional to 3,110,689.50, 4,292,751.69 and 1,679,905.50

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Solution

The fourth proportional to 3,110,689.50, 4,292,751.69 and 1,679,905.50 is: 2,318,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,689.50 : 4,292,751.69 = 1,679,905.50 : x
  2. Step 2: Convert to fraction form
    3,110,689.50/4,292,751.69 = 1,679,905.50/x
  3. Step 3: Cross multiply
    3,110,689.50x = 4,292,751.69 × 1,679,905.50
  4. Step 4: Simplify right side
    3,110,689.50x = 7,211,417,174,165.30
  5. Step 5: Solve for x
    x = 7,211,417,174,165.30/3,110,689.50
  6. Step 6: Final answer
    x = 2,318,269.69

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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.