Home / 3,619,287.46-5,428,927.65-923,612.71

Finding the Fourth Proportional to 3,619,287.46, 5,428,927.65 and 923,612.71

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Solution

The fourth proportional to 3,619,287.46, 5,428,927.65 and 923,612.71 is: 1,385,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,287.46 : 5,428,927.65 = 923,612.71 : x
  2. Step 2: Convert to fraction form
    3,619,287.46/5,428,927.65 = 923,612.71/x
  3. Step 3: Cross multiply
    3,619,287.46x = 5,428,927.65 × 923,612.71
  4. Step 4: Simplify right side
    3,619,287.46x = 5,014,226,579,210.43
  5. Step 5: Solve for x
    x = 5,014,226,579,210.43/3,619,287.46
  6. Step 6: Final answer
    x = 1,385,418.16

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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.