Home / 5,178,894.16-7,146,904.56-3,004,731.85

Finding the Fourth Proportional to 5,178,894.16, 7,146,904.56 and 3,004,731.85

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Solution

The fourth proportional to 5,178,894.16, 7,146,904.56 and 3,004,731.85 is: 4,146,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,894.16 : 7,146,904.56 = 3,004,731.85 : x
  2. Step 2: Convert to fraction form
    5,178,894.16/7,146,904.56 = 3,004,731.85/x
  3. Step 3: Cross multiply
    5,178,894.16x = 7,146,904.56 × 3,004,731.85
  4. Step 4: Simplify right side
    5,178,894.16x = 21,474,531,709,584.05
  5. Step 5: Solve for x
    x = 21,474,531,709,584.05/5,178,894.16
  6. Step 6: Final answer
    x = 4,146,547.71

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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.