Home / 2,674,079.20-4,010,688.40-780,376.80

Finding the Fourth Proportional to 2,674,079.20, 4,010,688.40 and 780,376.80

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Solution

The fourth proportional to 2,674,079.20, 4,010,688.40 and 780,376.80 is: 1,170,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,079.20 : 4,010,688.40 = 780,376.80 : x
  2. Step 2: Convert to fraction form
    2,674,079.20/4,010,688.40 = 780,376.80/x
  3. Step 3: Cross multiply
    2,674,079.20x = 4,010,688.40 × 780,376.80
  4. Step 4: Simplify right side
    2,674,079.20x = 3,129,848,179,389.12
  5. Step 5: Solve for x
    x = 3,129,848,179,389.12/2,674,079.20
  6. Step 6: Final answer
    x = 1,170,439.60

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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.