Home / 2,678,943.24-4,018,446.18-785,722.68

Finding the Fourth Proportional to 2,678,943.24, 4,018,446.18 and 785,722.68

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Solution

The fourth proportional to 2,678,943.24, 4,018,446.18 and 785,722.68 is: 1,178,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,943.24 : 4,018,446.18 = 785,722.68 : x
  2. Step 2: Convert to fraction form
    2,678,943.24/4,018,446.18 = 785,722.68/x
  3. Step 3: Cross multiply
    2,678,943.24x = 4,018,446.18 × 785,722.68
  4. Step 4: Simplify right side
    2,678,943.24x = 3,157,384,301,985.36
  5. Step 5: Solve for x
    x = 3,157,384,301,985.36/2,678,943.24
  6. Step 6: Final answer
    x = 1,178,593.21

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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.