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Finding the Fourth Proportional to 5,398,215.83, 8,097,323.76 and 1,803,982.78

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Solution

The fourth proportional to 5,398,215.83, 8,097,323.76 and 1,803,982.78 is: 2,705,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,215.83 : 8,097,323.76 = 1,803,982.78 : x
  2. Step 2: Convert to fraction form
    5,398,215.83/8,097,323.76 = 1,803,982.78/x
  3. Step 3: Cross multiply
    5,398,215.83x = 8,097,323.76 × 1,803,982.78
  4. Step 4: Simplify right side
    5,398,215.83x = 14,607,432,586,638.23
  5. Step 5: Solve for x
    x = 14,607,432,586,638.23/5,398,215.83
  6. Step 6: Final answer
    x = 2,705,974.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.