Home / 5,160,682.53-7,120,944.72-2,985,428.07

Finding the Fourth Proportional to 5,160,682.53, 7,120,944.72 and 2,985,428.07

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Solution

The fourth proportional to 5,160,682.53, 7,120,944.72 and 2,985,428.07 is: 4,119,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,682.53 : 7,120,944.72 = 2,985,428.07 : x
  2. Step 2: Convert to fraction form
    5,160,682.53/7,120,944.72 = 2,985,428.07/x
  3. Step 3: Cross multiply
    5,160,682.53x = 7,120,944.72 × 2,985,428.07
  4. Step 4: Simplify right side
    5,160,682.53x = 21,259,068,252,006.29
  5. Step 5: Solve for x
    x = 21,259,068,252,006.29/5,160,682.53
  6. Step 6: Final answer
    x = 4,119,429.58

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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.