Home / 3,678,239.52-5,518,153.38-1,119,654.52

Finding the Fourth Proportional to 3,678,239.52, 5,518,153.38 and 1,119,654.52

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Solution

The fourth proportional to 3,678,239.52, 5,518,153.38 and 1,119,654.52 is: 1,679,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,239.52 : 5,518,153.38 = 1,119,654.52 : x
  2. Step 2: Convert to fraction form
    3,678,239.52/5,518,153.38 = 1,119,654.52/x
  3. Step 3: Cross multiply
    3,678,239.52x = 5,518,153.38 × 1,119,654.52
  4. Step 4: Simplify right side
    3,678,239.52x = 6,178,425,364,373.60
  5. Step 5: Solve for x
    x = 6,178,425,364,373.60/3,678,239.52
  6. Step 6: Final answer
    x = 1,679,723.50

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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.