Home / 2,117,416.08-3,174,337.74-918,435.72

Finding the Fourth Proportional to 2,117,416.08, 3,174,337.74 and 918,435.72

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Solution

The fourth proportional to 2,117,416.08, 3,174,337.74 and 918,435.72 is: 1,376,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,416.08 : 3,174,337.74 = 918,435.72 : x
  2. Step 2: Convert to fraction form
    2,117,416.08/3,174,337.74 = 918,435.72/x
  3. Step 3: Cross multiply
    2,117,416.08x = 3,174,337.74 × 918,435.72
  4. Step 4: Simplify right side
    2,117,416.08x = 2,915,425,167,760.07
  5. Step 5: Solve for x
    x = 2,915,425,167,760.07/2,117,416.08
  6. Step 6: Final answer
    x = 1,376,878.73

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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.