Home / 5,345,939.20-8,001,194.10-4,920,786.40

Finding the Fourth Proportional to 5,345,939.20, 8,001,194.10 and 4,920,786.40

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Solution

The fourth proportional to 5,345,939.20, 8,001,194.10 and 4,920,786.40 is: 7,364,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,939.20 : 8,001,194.10 = 4,920,786.40 : x
  2. Step 2: Convert to fraction form
    5,345,939.20/8,001,194.10 = 4,920,786.40/x
  3. Step 3: Cross multiply
    5,345,939.20x = 8,001,194.10 × 4,920,786.40
  4. Step 4: Simplify right side
    5,345,939.20x = 39,372,167,111,040.24
  5. Step 5: Solve for x
    x = 39,372,167,111,040.24/5,345,939.20
  6. Step 6: Final answer
    x = 7,364,873.72

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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.