Home / 3,142,678.86-4,714,204.59-984,107.70

Finding the Fourth Proportional to 3,142,678.86, 4,714,204.59 and 984,107.70

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Solution

The fourth proportional to 3,142,678.86, 4,714,204.59 and 984,107.70 is: 1,476,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,678.86 : 4,714,204.59 = 984,107.70 : x
  2. Step 2: Convert to fraction form
    3,142,678.86/4,714,204.59 = 984,107.70/x
  3. Step 3: Cross multiply
    3,142,678.86x = 4,714,204.59 × 984,107.70
  4. Step 4: Simplify right side
    3,142,678.86x = 4,639,285,036,394.34
  5. Step 5: Solve for x
    x = 4,639,285,036,394.34/3,142,678.86
  6. Step 6: Final answer
    x = 1,476,219.89

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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.