Home / 4,714,326-6,505,463.70-2,780,143.20

Finding the Fourth Proportional to 4,714,326, 6,505,463.70 and 2,780,143.20

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Solution

The fourth proportional to 4,714,326, 6,505,463.70 and 2,780,143.20 is: 3,836,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714,326 : 6,505,463.70 = 2,780,143.20 : x
  2. Step 2: Convert to fraction form
    4,714,326/6,505,463.70 = 2,780,143.20/x
  3. Step 3: Cross multiply
    4,714,326x = 6,505,463.70 × 2,780,143.20
  4. Step 4: Simplify right side
    4,714,326x = 18,086,120,668,401.84
  5. Step 5: Solve for x
    x = 18,086,120,668,401.84/4,714,326
  6. Step 6: Final answer
    x = 3,836,417.05

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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.