Home / 3,019,309.08-4,166,679.60-1,642,660.62

Finding the Fourth Proportional to 3,019,309.08, 4,166,679.60 and 1,642,660.62

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Solution

The fourth proportional to 3,019,309.08, 4,166,679.60 and 1,642,660.62 is: 2,266,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,309.08 : 4,166,679.60 = 1,642,660.62 : x
  2. Step 2: Convert to fraction form
    3,019,309.08/4,166,679.60 = 1,642,660.62/x
  3. Step 3: Cross multiply
    3,019,309.08x = 4,166,679.60 × 1,642,660.62
  4. Step 4: Simplify right side
    3,019,309.08x = 6,844,440,495,077.35
  5. Step 5: Solve for x
    x = 6,844,440,495,077.35/3,019,309.08
  6. Step 6: Final answer
    x = 2,266,889.65

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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.