Home / 2,117,410.72-3,174,330.26-918,430.28

Finding the Fourth Proportional to 2,117,410.72, 3,174,330.26 and 918,430.28

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Solution

The fourth proportional to 2,117,410.72, 3,174,330.26 and 918,430.28 is: 1,376,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,410.72 : 3,174,330.26 = 918,430.28 : x
  2. Step 2: Convert to fraction form
    2,117,410.72/3,174,330.26 = 918,430.28/x
  3. Step 3: Cross multiply
    2,117,410.72x = 3,174,330.26 × 918,430.28
  4. Step 4: Simplify right side
    2,117,410.72x = 2,915,401,029,504.27
  5. Step 5: Solve for x
    x = 2,915,401,029,504.27/2,117,410.72
  6. Step 6: Final answer
    x = 1,376,870.82

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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.