Home / 2,892,697.70-3,991,654.43-1,603,428.40

Finding the Fourth Proportional to 2,892,697.70, 3,991,654.43 and 1,603,428.40

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Solution

The fourth proportional to 2,892,697.70, 3,991,654.43 and 1,603,428.40 is: 2,212,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,697.70 : 3,991,654.43 = 1,603,428.40 : x
  2. Step 2: Convert to fraction form
    2,892,697.70/3,991,654.43 = 1,603,428.40/x
  3. Step 3: Cross multiply
    2,892,697.70x = 3,991,654.43 × 1,603,428.40
  4. Step 4: Simplify right side
    2,892,697.70x = 6,400,332,058,051.53
  5. Step 5: Solve for x
    x = 6,400,332,058,051.53/2,892,697.70
  6. Step 6: Final answer
    x = 2,212,582.41

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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.