Home / 2,900,172.30-4,343,631.84-1,384,916.64

Finding the Fourth Proportional to 2,900,172.30, 4,343,631.84 and 1,384,916.64

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Solution

The fourth proportional to 2,900,172.30, 4,343,631.84 and 1,384,916.64 is: 2,074,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,172.30 : 4,343,631.84 = 1,384,916.64 : x
  2. Step 2: Convert to fraction form
    2,900,172.30/4,343,631.84 = 1,384,916.64/x
  3. Step 3: Cross multiply
    2,900,172.30x = 4,343,631.84 × 1,384,916.64
  4. Step 4: Simplify right side
    2,900,172.30x = 6,015,568,013,249.82
  5. Step 5: Solve for x
    x = 6,015,568,013,249.82/2,900,172.30
  6. Step 6: Final answer
    x = 2,074,210.56

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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.