Home / 3,406,372.20-5,105,216.70-1,809,700.20

Finding the Fourth Proportional to 3,406,372.20, 5,105,216.70 and 1,809,700.20

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Solution

The fourth proportional to 3,406,372.20, 5,105,216.70 and 1,809,700.20 is: 2,712,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,372.20 : 5,105,216.70 = 1,809,700.20 : x
  2. Step 2: Convert to fraction form
    3,406,372.20/5,105,216.70 = 1,809,700.20/x
  3. Step 3: Cross multiply
    3,406,372.20x = 5,105,216.70 × 1,809,700.20
  4. Step 4: Simplify right side
    3,406,372.20x = 9,238,911,683,033.34
  5. Step 5: Solve for x
    x = 9,238,911,683,033.34/3,406,372.20
  6. Step 6: Final answer
    x = 2,712,243.74

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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.