Home / 3,065,627.48-4,230,898.80-1,689,112.64

Finding the Fourth Proportional to 3,065,627.48, 4,230,898.80 and 1,689,112.64

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Solution

The fourth proportional to 3,065,627.48, 4,230,898.80 and 1,689,112.64 is: 2,331,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065,627.48 : 4,230,898.80 = 1,689,112.64 : x
  2. Step 2: Convert to fraction form
    3,065,627.48/4,230,898.80 = 1,689,112.64/x
  3. Step 3: Cross multiply
    3,065,627.48x = 4,230,898.80 × 1,689,112.64
  4. Step 4: Simplify right side
    3,065,627.48x = 7,146,464,641,640.83
  5. Step 5: Solve for x
    x = 7,146,464,641,640.83/3,065,627.48
  6. Step 6: Final answer
    x = 2,331,158.85

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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.