Home / 3,213,671.12-4,820,433.16-817,518.59

Finding the Fourth Proportional to 3,213,671.12, 4,820,433.16 and 817,518.59

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Solution

The fourth proportional to 3,213,671.12, 4,820,433.16 and 817,518.59 is: 1,226,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,671.12 : 4,820,433.16 = 817,518.59 : x
  2. Step 2: Convert to fraction form
    3,213,671.12/4,820,433.16 = 817,518.59/x
  3. Step 3: Cross multiply
    3,213,671.12x = 4,820,433.16 × 817,518.59
  4. Step 4: Simplify right side
    3,213,671.12x = 3,940,793,696,050.28
  5. Step 5: Solve for x
    x = 3,940,793,696,050.28/3,213,671.12
  6. Step 6: Final answer
    x = 1,226,259.18

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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.