Home / 2,913,564.69-4,021,013.22-1,690,244.37

Finding the Fourth Proportional to 2,913,564.69, 4,021,013.22 and 1,690,244.37

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Solution

The fourth proportional to 2,913,564.69, 4,021,013.22 and 1,690,244.37 is: 2,332,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,564.69 : 4,021,013.22 = 1,690,244.37 : x
  2. Step 2: Convert to fraction form
    2,913,564.69/4,021,013.22 = 1,690,244.37/x
  3. Step 3: Cross multiply
    2,913,564.69x = 4,021,013.22 × 1,690,244.37
  4. Step 4: Simplify right side
    2,913,564.69x = 6,796,494,956,800.57
  5. Step 5: Solve for x
    x = 6,796,494,956,800.57/2,913,564.69
  6. Step 6: Final answer
    x = 2,332,707.76

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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.