Home / 2,936,830.72-4,404,720.60-1,868,699.92

Finding the Fourth Proportional to 2,936,830.72, 4,404,720.60 and 1,868,699.92

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Solution

The fourth proportional to 2,936,830.72, 4,404,720.60 and 1,868,699.92 is: 2,802,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936,830.72 : 4,404,720.60 = 1,868,699.92 : x
  2. Step 2: Convert to fraction form
    2,936,830.72/4,404,720.60 = 1,868,699.92/x
  3. Step 3: Cross multiply
    2,936,830.72x = 4,404,720.60 × 1,868,699.92
  4. Step 4: Simplify right side
    2,936,830.72x = 8,231,101,032,842.35
  5. Step 5: Solve for x
    x = 8,231,101,032,842.35/2,936,830.72
  6. Step 6: Final answer
    x = 2,802,715.52

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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.