Home / 2,919,527.42-4,379,275.20-1,190,390.48

Finding the Fourth Proportional to 2,919,527.42, 4,379,275.20 and 1,190,390.48

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Solution

The fourth proportional to 2,919,527.42, 4,379,275.20 and 1,190,390.48 is: 1,785,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,527.42 : 4,379,275.20 = 1,190,390.48 : x
  2. Step 2: Convert to fraction form
    2,919,527.42/4,379,275.20 = 1,190,390.48/x
  3. Step 3: Cross multiply
    2,919,527.42x = 4,379,275.20 × 1,190,390.48
  4. Step 4: Simplify right side
    2,919,527.42x = 5,213,047,507,380.10
  5. Step 5: Solve for x
    x = 5,213,047,507,380.10/2,919,527.42
  6. Step 6: Final answer
    x = 1,785,579.22

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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.