Home / 2,819,149.78-3,890,455.77-1,530,001.30

Finding the Fourth Proportional to 2,819,149.78, 3,890,455.77 and 1,530,001.30

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Solution

The fourth proportional to 2,819,149.78, 3,890,455.77 and 1,530,001.30 is: 2,111,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,149.78 : 3,890,455.77 = 1,530,001.30 : x
  2. Step 2: Convert to fraction form
    2,819,149.78/3,890,455.77 = 1,530,001.30/x
  3. Step 3: Cross multiply
    2,819,149.78x = 3,890,455.77 × 1,530,001.30
  4. Step 4: Simplify right side
    2,819,149.78x = 5,952,402,385,692.50
  5. Step 5: Solve for x
    x = 5,952,402,385,692.50/2,819,149.78
  6. Step 6: Final answer
    x = 2,111,417.57

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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.