Home / 6,278,186.40-9,417,374.16-2,179,637.60

Finding the Fourth Proportional to 6,278,186.40, 9,417,374.16 and 2,179,637.60

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Solution

The fourth proportional to 6,278,186.40, 9,417,374.16 and 2,179,637.60 is: 3,269,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278,186.40 : 9,417,374.16 = 2,179,637.60 : x
  2. Step 2: Convert to fraction form
    6,278,186.40/9,417,374.16 = 2,179,637.60/x
  3. Step 3: Cross multiply
    6,278,186.40x = 9,417,374.16 × 2,179,637.60
  4. Step 4: Simplify right side
    6,278,186.40x = 20,526,462,773,491.19
  5. Step 5: Solve for x
    x = 20,526,462,773,491.19/6,278,186.40
  6. Step 6: Final answer
    x = 3,269,489.22

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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.