Home / 3,188,006.51-4,779,178.46-1,242,284.59

Finding the Fourth Proportional to 3,188,006.51, 4,779,178.46 and 1,242,284.59

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Solution

The fourth proportional to 3,188,006.51, 4,779,178.46 and 1,242,284.59 is: 1,862,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,006.51 : 4,779,178.46 = 1,242,284.59 : x
  2. Step 2: Convert to fraction form
    3,188,006.51/4,779,178.46 = 1,242,284.59/x
  3. Step 3: Cross multiply
    3,188,006.51x = 4,779,178.46 × 1,242,284.59
  4. Step 4: Simplify right side
    3,188,006.51x = 5,937,099,723,610.62
  5. Step 5: Solve for x
    x = 5,937,099,723,610.62/3,188,006.51
  6. Step 6: Final answer
    x = 1,862,323.59

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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.