Home / 2,897,856-3,998,840.81-1,608,595.00

Finding the Fourth Proportional to 2,897,856, 3,998,840.81 and 1,608,595.00

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Solution

The fourth proportional to 2,897,856, 3,998,840.81 and 1,608,595.00 is: 2,219,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,856 : 3,998,840.81 = 1,608,595.00 : x
  2. Step 2: Convert to fraction form
    2,897,856/3,998,840.81 = 1,608,595.00/x
  3. Step 3: Cross multiply
    2,897,856x = 3,998,840.81 × 1,608,595.00
  4. Step 4: Simplify right side
    2,897,856x = 6,432,515,314,721.87
  5. Step 5: Solve for x
    x = 6,432,515,314,721.87/2,897,856
  6. Step 6: Final answer
    x = 2,219,749.81

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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.