Home / 2,977,468.16-4,109,842.68-1,689,164.78

Finding the Fourth Proportional to 2,977,468.16, 4,109,842.68 and 1,689,164.78

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Solution

The fourth proportional to 2,977,468.16, 4,109,842.68 and 1,689,164.78 is: 2,331,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,468.16 : 4,109,842.68 = 1,689,164.78 : x
  2. Step 2: Convert to fraction form
    2,977,468.16/4,109,842.68 = 1,689,164.78/x
  3. Step 3: Cross multiply
    2,977,468.16x = 4,109,842.68 × 1,689,164.78
  4. Step 4: Simplify right side
    2,977,468.16x = 6,942,201,506,396.81
  5. Step 5: Solve for x
    x = 6,942,201,506,396.81/2,977,468.16
  6. Step 6: Final answer
    x = 2,331,578.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.