Home / 6,642,719.40-9,957,809.70-3,605,608.20

Finding the Fourth Proportional to 6,642,719.40, 9,957,809.70 and 3,605,608.20

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Solution

The fourth proportional to 6,642,719.40, 9,957,809.70 and 3,605,608.20 is: 5,405,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,719.40 : 9,957,809.70 = 3,605,608.20 : x
  2. Step 2: Convert to fraction form
    6,642,719.40/9,957,809.70 = 3,605,608.20/x
  3. Step 3: Cross multiply
    6,642,719.40x = 9,957,809.70 × 3,605,608.20
  4. Step 4: Simplify right side
    6,642,719.40x = 35,903,960,308,359.54
  5. Step 5: Solve for x
    x = 35,903,960,308,359.54/6,642,719.40
  6. Step 6: Final answer
    x = 5,405,009.33

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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.