Home / 2,781,981.84-3,837,217.61-1,956,805.47

Finding the Fourth Proportional to 2,781,981.84, 3,837,217.61 and 1,956,805.47

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Solution

The fourth proportional to 2,781,981.84, 3,837,217.61 and 1,956,805.47 is: 2,699,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,981.84 : 3,837,217.61 = 1,956,805.47 : x
  2. Step 2: Convert to fraction form
    2,781,981.84/3,837,217.61 = 1,956,805.47/x
  3. Step 3: Cross multiply
    2,781,981.84x = 3,837,217.61 × 1,956,805.47
  4. Step 4: Simplify right side
    2,781,981.84x = 7,508,688,399,044.30
  5. Step 5: Solve for x
    x = 7,508,688,399,044.30/2,781,981.84
  6. Step 6: Final answer
    x = 2,699,042.92

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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.