Home / 5,275,193.32-7,911,682.80-1,487,790.46

Finding the Fourth Proportional to 5,275,193.32, 7,911,682.80 and 1,487,790.46

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Solution

The fourth proportional to 5,275,193.32, 7,911,682.80 and 1,487,790.46 is: 2,231,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,193.32 : 7,911,682.80 = 1,487,790.46 : x
  2. Step 2: Convert to fraction form
    5,275,193.32/7,911,682.80 = 1,487,790.46/x
  3. Step 3: Cross multiply
    5,275,193.32x = 7,911,682.80 × 1,487,790.46
  4. Step 4: Simplify right side
    5,275,193.32x = 11,770,926,192,386.09
  5. Step 5: Solve for x
    x = 11,770,926,192,386.09/5,275,193.32
  6. Step 6: Final answer
    x = 2,231,373.43

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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.