Home / 4,747,507.79-7,112,699.52-2,922,696.86

Finding the Fourth Proportional to 4,747,507.79, 7,112,699.52 and 2,922,696.86

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Solution

The fourth proportional to 4,747,507.79, 7,112,699.52 and 2,922,696.86 is: 4,378,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747,507.79 : 7,112,699.52 = 2,922,696.86 : x
  2. Step 2: Convert to fraction form
    4,747,507.79/7,112,699.52 = 2,922,696.86/x
  3. Step 3: Cross multiply
    4,747,507.79x = 7,112,699.52 × 2,922,696.86
  4. Step 4: Simplify right side
    4,747,507.79x = 20,788,264,517,664.01
  5. Step 5: Solve for x
    x = 20,788,264,517,664.01/4,747,507.79
  6. Step 6: Final answer
    x = 4,378,774.18

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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.