Home / 2,145,663.62-3,219,280.32-2,018,905.10

Finding the Fourth Proportional to 2,145,663.62, 3,219,280.32 and 2,018,905.10

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Solution

The fourth proportional to 2,145,663.62, 3,219,280.32 and 2,018,905.10 is: 3,029,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,663.62 : 3,219,280.32 = 2,018,905.10 : x
  2. Step 2: Convert to fraction form
    2,145,663.62/3,219,280.32 = 2,018,905.10/x
  3. Step 3: Cross multiply
    2,145,663.62x = 3,219,280.32 × 2,018,905.10
  4. Step 4: Simplify right side
    2,145,663.62x = 6,499,421,456,377.63
  5. Step 5: Solve for x
    x = 6,499,421,456,377.63/2,145,663.62
  6. Step 6: Final answer
    x = 3,029,096.17

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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.