Home / 2,783,225.20-4,173,521.80-1,078,167.12

Finding the Fourth Proportional to 2,783,225.20, 4,173,521.80 and 1,078,167.12

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Solution

The fourth proportional to 2,783,225.20, 4,173,521.80 and 1,078,167.12 is: 1,616,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,225.20 : 4,173,521.80 = 1,078,167.12 : x
  2. Step 2: Convert to fraction form
    2,783,225.20/4,173,521.80 = 1,078,167.12/x
  3. Step 3: Cross multiply
    2,783,225.20x = 4,173,521.80 × 1,078,167.12
  4. Step 4: Simplify right side
    2,783,225.20x = 4,499,753,979,363.22
  5. Step 5: Solve for x
    x = 4,499,753,979,363.22/2,783,225.20
  6. Step 6: Final answer
    x = 1,616,740.89

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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.