Home / 4,678,782.54-7,018,843.30-1,440,594.21

Finding the Fourth Proportional to 4,678,782.54, 7,018,843.30 and 1,440,594.21

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Solution

The fourth proportional to 4,678,782.54, 7,018,843.30 and 1,440,594.21 is: 2,161,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,782.54 : 7,018,843.30 = 1,440,594.21 : x
  2. Step 2: Convert to fraction form
    4,678,782.54/7,018,843.30 = 1,440,594.21/x
  3. Step 3: Cross multiply
    4,678,782.54x = 7,018,843.30 × 1,440,594.21
  4. Step 4: Simplify right side
    4,678,782.54x = 10,111,304,976,580.11
  5. Step 5: Solve for x
    x = 10,111,304,976,580.11/4,678,782.54
  6. Step 6: Final answer
    x = 2,161,097.44

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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.