Home / 3,605,863-5,407,954.86-1,688,097.28

Finding the Fourth Proportional to 3,605,863, 5,407,954.86 and 1,688,097.28

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Solution

The fourth proportional to 3,605,863, 5,407,954.86 and 1,688,097.28 is: 2,531,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605,863 : 5,407,954.86 = 1,688,097.28 : x
  2. Step 2: Convert to fraction form
    3,605,863/5,407,954.86 = 1,688,097.28/x
  3. Step 3: Cross multiply
    3,605,863x = 5,407,954.86 × 1,688,097.28
  4. Step 4: Simplify right side
    3,605,863x = 9,129,153,889,528.78
  5. Step 5: Solve for x
    x = 9,129,153,889,528.78/3,605,863
  6. Step 6: Final answer
    x = 2,531,752.84

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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.