Home / 2,011,242.80-3,012,927.60-1,210,144.70

Finding the Fourth Proportional to 2,011,242.80, 3,012,927.60 and 1,210,144.70

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Solution

The fourth proportional to 2,011,242.80, 3,012,927.60 and 1,210,144.70 is: 1,812,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,242.80 : 3,012,927.60 = 1,210,144.70 : x
  2. Step 2: Convert to fraction form
    2,011,242.80/3,012,927.60 = 1,210,144.70/x
  3. Step 3: Cross multiply
    2,011,242.80x = 3,012,927.60 × 1,210,144.70
  4. Step 4: Simplify right side
    2,011,242.80x = 3,646,078,366,623.72
  5. Step 5: Solve for x
    x = 3,646,078,366,623.72/2,011,242.80
  6. Step 6: Final answer
    x = 1,812,848.44

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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.