Home / 1,858,346.32-2,561,803.44-1,313,520.88

Finding the Fourth Proportional to 1,858,346.32, 2,561,803.44 and 1,313,520.88

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Solution

The fourth proportional to 1,858,346.32, 2,561,803.44 and 1,313,520.88 is: 1,810,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,346.32 : 2,561,803.44 = 1,313,520.88 : x
  2. Step 2: Convert to fraction form
    1,858,346.32/2,561,803.44 = 1,313,520.88/x
  3. Step 3: Cross multiply
    1,858,346.32x = 2,561,803.44 × 1,313,520.88
  4. Step 4: Simplify right side
    1,858,346.32x = 3,364,982,308,895.83
  5. Step 5: Solve for x
    x = 3,364,982,308,895.83/1,858,346.32
  6. Step 6: Final answer
    x = 1,810,740.16

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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.