Home / 2,878,586.46-4,317,899.73-1,977,296.43

Finding the Fourth Proportional to 2,878,586.46, 4,317,899.73 and 1,977,296.43

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Solution

The fourth proportional to 2,878,586.46, 4,317,899.73 and 1,977,296.43 is: 2,965,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,586.46 : 4,317,899.73 = 1,977,296.43 : x
  2. Step 2: Convert to fraction form
    2,878,586.46/4,317,899.73 = 1,977,296.43/x
  3. Step 3: Cross multiply
    2,878,586.46x = 4,317,899.73 × 1,977,296.43
  4. Step 4: Simplify right side
    2,878,586.46x = 8,537,767,721,226.97
  5. Step 5: Solve for x
    x = 8,537,767,721,226.97/2,878,586.46
  6. Step 6: Final answer
    x = 2,965,958.41

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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.