Home / 3,139,939.40-4,709,909.10-1,623,619.40

Finding the Fourth Proportional to 3,139,939.40, 4,709,909.10 and 1,623,619.40

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Solution

The fourth proportional to 3,139,939.40, 4,709,909.10 and 1,623,619.40 is: 2,435,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,939.40 : 4,709,909.10 = 1,623,619.40 : x
  2. Step 2: Convert to fraction form
    3,139,939.40/4,709,909.10 = 1,623,619.40/x
  3. Step 3: Cross multiply
    3,139,939.40x = 4,709,909.10 × 1,623,619.40
  4. Step 4: Simplify right side
    3,139,939.40x = 7,647,099,786,996.54
  5. Step 5: Solve for x
    x = 7,647,099,786,996.54/3,139,939.40
  6. Step 6: Final answer
    x = 2,435,429.10

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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.