Home / 7,039,743-9,714,845.75-3,820,479

Finding the Fourth Proportional to 7,039,743, 9,714,845.75 and 3,820,479

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Solution

The fourth proportional to 7,039,743, 9,714,845.75 and 3,820,479 is: 5,272,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,743 : 9,714,845.75 = 3,820,479 : x
  2. Step 2: Convert to fraction form
    7,039,743/9,714,845.75 = 3,820,479/x
  3. Step 3: Cross multiply
    7,039,743x = 9,714,845.75 × 3,820,479
  4. Step 4: Simplify right side
    7,039,743x = 37,115,364,157,011.85
  5. Step 5: Solve for x
    x = 37,115,364,157,011.85/7,039,743
  6. Step 6: Final answer
    x = 5,272,261.24

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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.