Home / 2,117,401.22-3,174,315.89-918,420.39

Finding the Fourth Proportional to 2,117,401.22, 3,174,315.89 and 918,420.39

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Solution

The fourth proportional to 2,117,401.22, 3,174,315.89 and 918,420.39 is: 1,376,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,401.22 : 3,174,315.89 = 918,420.39 : x
  2. Step 2: Convert to fraction form
    2,117,401.22/3,174,315.89 = 918,420.39/x
  3. Step 3: Cross multiply
    2,117,401.22x = 3,174,315.89 × 918,420.39
  4. Step 4: Simplify right side
    2,117,401.22x = 2,915,356,433,084.90
  5. Step 5: Solve for x
    x = 2,915,356,433,084.90/2,117,401.22
  6. Step 6: Final answer
    x = 1,376,855.93

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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.