Home / 3,784,666.60-5,678,555.10-1,389,658.60

Finding the Fourth Proportional to 3,784,666.60, 5,678,555.10 and 1,389,658.60

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Solution

The fourth proportional to 3,784,666.60, 5,678,555.10 and 1,389,658.60 is: 2,085,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,666.60 : 5,678,555.10 = 1,389,658.60 : x
  2. Step 2: Convert to fraction form
    3,784,666.60/5,678,555.10 = 1,389,658.60/x
  3. Step 3: Cross multiply
    3,784,666.60x = 5,678,555.10 × 1,389,658.60
  4. Step 4: Simplify right side
    3,784,666.60x = 7,891,252,930,288.86
  5. Step 5: Solve for x
    x = 7,891,252,930,288.86/3,784,666.60
  6. Step 6: Final answer
    x = 2,085,058.94

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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.