Home / 2,069,144.80-3,103,814.40-649,247.20

Finding the Fourth Proportional to 2,069,144.80, 3,103,814.40 and 649,247.20

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Solution

The fourth proportional to 2,069,144.80, 3,103,814.40 and 649,247.20 is: 973,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,144.80 : 3,103,814.40 = 649,247.20 : x
  2. Step 2: Convert to fraction form
    2,069,144.80/3,103,814.40 = 649,247.20/x
  3. Step 3: Cross multiply
    2,069,144.80x = 3,103,814.40 × 649,247.20
  4. Step 4: Simplify right side
    2,069,144.80x = 2,015,142,808,519.68
  5. Step 5: Solve for x
    x = 2,015,142,808,519.68/2,069,144.80
  6. Step 6: Final answer
    x = 973,901.30

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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.