Home / 5,262,879.80-7,894,315.09-1,980,847.45

Finding the Fourth Proportional to 5,262,879.80, 7,894,315.09 and 1,980,847.45

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Solution

The fourth proportional to 5,262,879.80, 7,894,315.09 and 1,980,847.45 is: 2,971,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262,879.80 : 7,894,315.09 = 1,980,847.45 : x
  2. Step 2: Convert to fraction form
    5,262,879.80/7,894,315.09 = 1,980,847.45/x
  3. Step 3: Cross multiply
    5,262,879.80x = 7,894,315.09 × 1,980,847.45
  4. Step 4: Simplify right side
    5,262,879.80x = 15,637,433,915,523.02
  5. Step 5: Solve for x
    x = 15,637,433,915,523.02/5,262,879.80
  6. Step 6: Final answer
    x = 2,971,269.44

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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.