Home / 2,919,572.70-4,379,359.05-1,026,068.10

Finding the Fourth Proportional to 2,919,572.70, 4,379,359.05 and 1,026,068.10

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Solution

The fourth proportional to 2,919,572.70, 4,379,359.05 and 1,026,068.10 is: 1,539,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,572.70 : 4,379,359.05 = 1,026,068.10 : x
  2. Step 2: Convert to fraction form
    2,919,572.70/4,379,359.05 = 1,026,068.10/x
  3. Step 3: Cross multiply
    2,919,572.70x = 4,379,359.05 × 1,026,068.10
  4. Step 4: Simplify right side
    2,919,572.70x = 4,493,520,619,651.31
  5. Step 5: Solve for x
    x = 4,493,520,619,651.31/2,919,572.70
  6. Step 6: Final answer
    x = 1,539,102.15

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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.