Home / 4,678,793.78-7,018,860.02-1,440,605.34

Finding the Fourth Proportional to 4,678,793.78, 7,018,860.02 and 1,440,605.34

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Solution

The fourth proportional to 4,678,793.78, 7,018,860.02 and 1,440,605.34 is: 2,161,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,793.78 : 7,018,860.02 = 1,440,605.34 : x
  2. Step 2: Convert to fraction form
    4,678,793.78/7,018,860.02 = 1,440,605.34/x
  3. Step 3: Cross multiply
    4,678,793.78x = 7,018,860.02 × 1,440,605.34
  4. Step 4: Simplify right side
    4,678,793.78x = 10,111,407,218,321.48
  5. Step 5: Solve for x
    x = 10,111,407,218,321.48/4,678,793.78
  6. Step 6: Final answer
    x = 2,161,114.10

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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.