Home / 6,689,671.41-9,231,999.80-3,749,542.39

Finding the Fourth Proportional to 6,689,671.41, 9,231,999.80 and 3,749,542.39

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Solution

The fourth proportional to 6,689,671.41, 9,231,999.80 and 3,749,542.39 is: 5,174,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689,671.41 : 9,231,999.80 = 3,749,542.39 : x
  2. Step 2: Convert to fraction form
    6,689,671.41/9,231,999.80 = 3,749,542.39/x
  3. Step 3: Cross multiply
    6,689,671.41x = 9,231,999.80 × 3,749,542.39
  4. Step 4: Simplify right side
    6,689,671.41x = 34,615,774,594,571.53
  5. Step 5: Solve for x
    x = 34,615,774,594,571.53/6,689,671.41
  6. Step 6: Final answer
    x = 5,174,510.45

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1.5x scale

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.