Home / 2,666,120.62-3,999,595.65-868,585.63

Finding the Fourth Proportional to 2,666,120.62, 3,999,595.65 and 868,585.63

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Solution

The fourth proportional to 2,666,120.62, 3,999,595.65 and 868,585.63 is: 1,303,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,120.62 : 3,999,595.65 = 868,585.63 : x
  2. Step 2: Convert to fraction form
    2,666,120.62/3,999,595.65 = 868,585.63/x
  3. Step 3: Cross multiply
    2,666,120.62x = 3,999,595.65 × 868,585.63
  4. Step 4: Simplify right side
    2,666,120.62x = 3,473,991,307,400.51
  5. Step 5: Solve for x
    x = 3,473,991,307,400.51/2,666,120.62
  6. Step 6: Final answer
    x = 1,303,013.56

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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.