Home / 2,409,521.72-3,325,165.63-1,321,795.40

Finding the Fourth Proportional to 2,409,521.72, 3,325,165.63 and 1,321,795.40

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Solution

The fourth proportional to 2,409,521.72, 3,325,165.63 and 1,321,795.40 is: 1,824,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409,521.72 : 3,325,165.63 = 1,321,795.40 : x
  2. Step 2: Convert to fraction form
    2,409,521.72/3,325,165.63 = 1,321,795.40/x
  3. Step 3: Cross multiply
    2,409,521.72x = 3,325,165.63 × 1,321,795.40
  4. Step 4: Simplify right side
    2,409,521.72x = 4,395,188,614,041.79
  5. Step 5: Solve for x
    x = 4,395,188,614,041.79/2,409,521.72
  6. Step 6: Final answer
    x = 1,824,091.72

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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.