Home / 2,290,410.40-3,428,617.20-1,786,525.60

Finding the Fourth Proportional to 2,290,410.40, 3,428,617.20 and 1,786,525.60

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Solution

The fourth proportional to 2,290,410.40, 3,428,617.20 and 1,786,525.60 is: 2,674,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,410.40 : 3,428,617.20 = 1,786,525.60 : x
  2. Step 2: Convert to fraction form
    2,290,410.40/3,428,617.20 = 1,786,525.60/x
  3. Step 3: Cross multiply
    2,290,410.40x = 3,428,617.20 × 1,786,525.60
  4. Step 4: Simplify right side
    2,290,410.40x = 6,125,312,400,400.32
  5. Step 5: Solve for x
    x = 6,125,312,400,400.32/2,290,410.40
  6. Step 6: Final answer
    x = 2,674,329.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.