Home / 3,213,680.40-4,820,547.87-817,527.06

Finding the Fourth Proportional to 3,213,680.40, 4,820,547.87 and 817,527.06

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Solution

The fourth proportional to 3,213,680.40, 4,820,547.87 and 817,527.06 is: 1,226,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,680.40 : 4,820,547.87 = 817,527.06 : x
  2. Step 2: Convert to fraction form
    3,213,680.40/4,820,547.87 = 817,527.06/x
  3. Step 3: Cross multiply
    3,213,680.40x = 4,820,547.87 × 817,527.06
  4. Step 4: Simplify right side
    3,213,680.40x = 3,940,928,327,750.36
  5. Step 5: Solve for x
    x = 3,940,928,327,750.36/3,213,680.40
  6. Step 6: Final answer
    x = 1,226,297.53

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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.