Home / 2,809,615.32-3,877,278.93-1,520,455.41

Finding the Fourth Proportional to 2,809,615.32, 3,877,278.93 and 1,520,455.41

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Solution

The fourth proportional to 2,809,615.32, 3,877,278.93 and 1,520,455.41 is: 2,098,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,615.32 : 3,877,278.93 = 1,520,455.41 : x
  2. Step 2: Convert to fraction form
    2,809,615.32/3,877,278.93 = 1,520,455.41/x
  3. Step 3: Cross multiply
    2,809,615.32x = 3,877,278.93 × 1,520,455.41
  4. Step 4: Simplify right side
    2,809,615.32x = 5,895,229,725,197.51
  5. Step 5: Solve for x
    x = 5,895,229,725,197.51/2,809,615.32
  6. Step 6: Final answer
    x = 2,098,233.76

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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.