Home / 2,919,526.42-4,379,273.70-1,190,389.48

Finding the Fourth Proportional to 2,919,526.42, 4,379,273.70 and 1,190,389.48

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Solution

The fourth proportional to 2,919,526.42, 4,379,273.70 and 1,190,389.48 is: 1,785,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,526.42 : 4,379,273.70 = 1,190,389.48 : x
  2. Step 2: Convert to fraction form
    2,919,526.42/4,379,273.70 = 1,190,389.48/x
  3. Step 3: Cross multiply
    2,919,526.42x = 4,379,273.70 × 1,190,389.48
  4. Step 4: Simplify right side
    2,919,526.42x = 5,213,041,342,520.68
  5. Step 5: Solve for x
    x = 5,213,041,342,520.68/2,919,526.42
  6. Step 6: Final answer
    x = 1,785,577.72

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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.