Home / 6,386,969.41-9,576,909.55-2,124,810.97

Finding the Fourth Proportional to 6,386,969.41, 9,576,909.55 and 2,124,810.97

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Solution

The fourth proportional to 6,386,969.41, 9,576,909.55 and 2,124,810.97 is: 3,186,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,969.41 : 9,576,909.55 = 2,124,810.97 : x
  2. Step 2: Convert to fraction form
    6,386,969.41/9,576,909.55 = 2,124,810.97/x
  3. Step 3: Cross multiply
    6,386,969.41x = 9,576,909.55 × 2,124,810.97
  4. Step 4: Simplify right side
    6,386,969.41x = 20,349,122,449,251.50
  5. Step 5: Solve for x
    x = 20,349,122,449,251.50/6,386,969.41
  6. Step 6: Final answer
    x = 3,186,037.25

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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.