Home / 6,430,679.54-9,643,986.97-2,112,018.24

Finding the Fourth Proportional to 6,430,679.54, 9,643,986.97 and 2,112,018.24

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Solution

The fourth proportional to 6,430,679.54, 9,643,986.97 and 2,112,018.24 is: 3,167,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,679.54 : 9,643,986.97 = 2,112,018.24 : x
  2. Step 2: Convert to fraction form
    6,430,679.54/9,643,986.97 = 2,112,018.24/x
  3. Step 3: Cross multiply
    6,430,679.54x = 9,643,986.97 × 2,112,018.24
  4. Step 4: Simplify right side
    6,430,679.54x = 20,368,276,386,962.34
  5. Step 5: Solve for x
    x = 20,368,276,386,962.34/6,430,679.54
  6. Step 6: Final answer
    x = 3,167,359.88

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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.