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Finding the Fourth Proportional to 2,822,663.76, 3,894,417.81 and 1,598,774.82

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Solution

The fourth proportional to 2,822,663.76, 3,894,417.81 and 1,598,774.82 is: 2,205,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822,663.76 : 3,894,417.81 = 1,598,774.82 : x
  2. Step 2: Convert to fraction form
    2,822,663.76/3,894,417.81 = 1,598,774.82/x
  3. Step 3: Cross multiply
    2,822,663.76x = 3,894,417.81 × 1,598,774.82
  4. Step 4: Simplify right side
    2,822,663.76x = 6,226,297,133,187.55
  5. Step 5: Solve for x
    x = 6,226,297,133,187.55/2,822,663.76
  6. Step 6: Final answer
    x = 2,205,823.17

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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.