Home / 3,217,653.76-4,826,476.40-821,498.80

Finding the Fourth Proportional to 3,217,653.76, 4,826,476.40 and 821,498.80

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Solution

The fourth proportional to 3,217,653.76, 4,826,476.40 and 821,498.80 is: 1,232,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,653.76 : 4,826,476.40 = 821,498.80 : x
  2. Step 2: Convert to fraction form
    3,217,653.76/4,826,476.40 = 821,498.80/x
  3. Step 3: Cross multiply
    3,217,653.76x = 4,826,476.40 × 821,498.80
  4. Step 4: Simplify right side
    3,217,653.76x = 3,964,944,570,828.32
  5. Step 5: Solve for x
    x = 3,964,944,570,828.32/3,217,653.76
  6. Step 6: Final answer
    x = 1,232,247.12

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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.