Home / 4,612,840.80-6,919,921.53-1,418,235.18

Finding the Fourth Proportional to 4,612,840.80, 6,919,921.53 and 1,418,235.18

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Solution

The fourth proportional to 4,612,840.80, 6,919,921.53 and 1,418,235.18 is: 2,127,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612,840.80 : 6,919,921.53 = 1,418,235.18 : x
  2. Step 2: Convert to fraction form
    4,612,840.80/6,919,921.53 = 1,418,235.18/x
  3. Step 3: Cross multiply
    4,612,840.80x = 6,919,921.53 × 1,418,235.18
  4. Step 4: Simplify right side
    4,612,840.80x = 9,814,076,156,685.43
  5. Step 5: Solve for x
    x = 9,814,076,156,685.43/4,612,840.80
  6. Step 6: Final answer
    x = 2,127,555.79

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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.