Home / 6,882,179.28-9,497,939.40-4,128,970.32

Finding the Fourth Proportional to 6,882,179.28, 9,497,939.40 and 4,128,970.32

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Solution

The fourth proportional to 6,882,179.28, 9,497,939.40 and 4,128,970.32 is: 5,698,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882,179.28 : 9,497,939.40 = 4,128,970.32 : x
  2. Step 2: Convert to fraction form
    6,882,179.28/9,497,939.40 = 4,128,970.32/x
  3. Step 3: Cross multiply
    6,882,179.28x = 9,497,939.40 × 4,128,970.32
  4. Step 4: Simplify right side
    6,882,179.28x = 39,216,709,883,758.61
  5. Step 5: Solve for x
    x = 39,216,709,883,758.61/6,882,179.28
  6. Step 6: Final answer
    x = 5,698,298.21

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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.