Home / 2,124,590.51-3,186,881.82-665,748.65

Finding the Fourth Proportional to 2,124,590.51, 3,186,881.82 and 665,748.65

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Solution

The fourth proportional to 2,124,590.51, 3,186,881.82 and 665,748.65 is: 998,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,590.51 : 3,186,881.82 = 665,748.65 : x
  2. Step 2: Convert to fraction form
    2,124,590.51/3,186,881.82 = 665,748.65/x
  3. Step 3: Cross multiply
    2,124,590.51x = 3,186,881.82 × 665,748.65
  4. Step 4: Simplify right side
    2,124,590.51x = 2,121,662,277,341.75
  5. Step 5: Solve for x
    x = 2,121,662,277,341.75/2,124,590.51
  6. Step 6: Final answer
    x = 998,621.74

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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.