Home / 5,642,451.65-7,788,966.75-3,809,392.69

Finding the Fourth Proportional to 5,642,451.65, 7,788,966.75 and 3,809,392.69

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Solution

The fourth proportional to 5,642,451.65, 7,788,966.75 and 3,809,392.69 is: 5,258,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,451.65 : 7,788,966.75 = 3,809,392.69 : x
  2. Step 2: Convert to fraction form
    5,642,451.65/7,788,966.75 = 3,809,392.69/x
  3. Step 3: Cross multiply
    5,642,451.65x = 7,788,966.75 × 3,809,392.69
  4. Step 4: Simplify right side
    5,642,451.65x = 29,671,233,000,103.06
  5. Step 5: Solve for x
    x = 29,671,233,000,103.06/5,642,451.65
  6. Step 6: Final answer
    x = 5,258,571.07

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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.