Home / 1,912,183.32-2,638,712.76-1,052,575.68

Finding the Fourth Proportional to 1,912,183.32, 2,638,712.76 and 1,052,575.68

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Solution

The fourth proportional to 1,912,183.32, 2,638,712.76 and 1,052,575.68 is: 1,452,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,183.32 : 2,638,712.76 = 1,052,575.68 : x
  2. Step 2: Convert to fraction form
    1,912,183.32/2,638,712.76 = 1,052,575.68/x
  3. Step 3: Cross multiply
    1,912,183.32x = 2,638,712.76 × 1,052,575.68
  4. Step 4: Simplify right side
    1,912,183.32x = 2,777,444,877,681.68
  5. Step 5: Solve for x
    x = 2,777,444,877,681.68/1,912,183.32
  6. Step 6: Final answer
    x = 1,452,499.27

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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.