Home / 2,011,247.80-3,012,935.10-1,210,149.70

Finding the Fourth Proportional to 2,011,247.80, 3,012,935.10 and 1,210,149.70

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Solution

The fourth proportional to 2,011,247.80, 3,012,935.10 and 1,210,149.70 is: 1,812,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,247.80 : 3,012,935.10 = 1,210,149.70 : x
  2. Step 2: Convert to fraction form
    2,011,247.80/3,012,935.10 = 1,210,149.70/x
  3. Step 3: Cross multiply
    2,011,247.80x = 3,012,935.10 × 1,210,149.70
  4. Step 4: Simplify right side
    2,011,247.80x = 3,646,102,507,384.47
  5. Step 5: Solve for x
    x = 3,646,102,507,384.47/2,011,247.80
  6. Step 6: Final answer
    x = 1,812,855.93

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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.