Home / 1,977,539.67-2,962,919.15-1,327,898.10

Finding the Fourth Proportional to 1,977,539.67, 2,962,919.15 and 1,327,898.10

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Solution

The fourth proportional to 1,977,539.67, 2,962,919.15 and 1,327,898.10 is: 1,989,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,539.67 : 2,962,919.15 = 1,327,898.10 : x
  2. Step 2: Convert to fraction form
    1,977,539.67/2,962,919.15 = 1,327,898.10/x
  3. Step 3: Cross multiply
    1,977,539.67x = 2,962,919.15 × 1,327,898.10
  4. Step 4: Simplify right side
    1,977,539.67x = 3,934,454,719,189.69
  5. Step 5: Solve for x
    x = 3,934,454,719,189.69/1,977,539.67
  6. Step 6: Final answer
    x = 1,989,570.57

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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.