Home / 2,405,536.16-3,319,639.70-1,438,666.43

Finding the Fourth Proportional to 2,405,536.16, 3,319,639.70 and 1,438,666.43

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Solution

The fourth proportional to 2,405,536.16, 3,319,639.70 and 1,438,666.43 is: 1,985,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,536.16 : 3,319,639.70 = 1,438,666.43 : x
  2. Step 2: Convert to fraction form
    2,405,536.16/3,319,639.70 = 1,438,666.43/x
  3. Step 3: Cross multiply
    2,405,536.16x = 3,319,639.70 × 1,438,666.43
  4. Step 4: Simplify right side
    2,405,536.16x = 4,775,854,172,293.74
  5. Step 5: Solve for x
    x = 4,775,854,172,293.74/2,405,536.16
  6. Step 6: Final answer
    x = 1,985,359.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.