Home / 2,761,782.86-3,811,378.62-1,538,088.37

Finding the Fourth Proportional to 2,761,782.86, 3,811,378.62 and 1,538,088.37

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Solution

The fourth proportional to 2,761,782.86, 3,811,378.62 and 1,538,088.37 is: 2,122,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,782.86 : 3,811,378.62 = 1,538,088.37 : x
  2. Step 2: Convert to fraction form
    2,761,782.86/3,811,378.62 = 1,538,088.37/x
  3. Step 3: Cross multiply
    2,761,782.86x = 3,811,378.62 × 1,538,088.37
  4. Step 4: Simplify right side
    2,761,782.86x = 5,862,237,102,341.32
  5. Step 5: Solve for x
    x = 5,862,237,102,341.32/2,761,782.86
  6. Step 6: Final answer
    x = 2,122,627.81

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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.