Home / 1,968,037.49-2,945,390.72-1,210,359.66

Finding the Fourth Proportional to 1,968,037.49, 2,945,390.72 and 1,210,359.66

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Solution

The fourth proportional to 1,968,037.49, 2,945,390.72 and 1,210,359.66 is: 1,811,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,037.49 : 2,945,390.72 = 1,210,359.66 : x
  2. Step 2: Convert to fraction form
    1,968,037.49/2,945,390.72 = 1,210,359.66/x
  3. Step 3: Cross multiply
    1,968,037.49x = 2,945,390.72 × 1,210,359.66
  4. Step 4: Simplify right side
    1,968,037.49x = 3,564,982,104,374.56
  5. Step 5: Solve for x
    x = 3,564,982,104,374.56/1,968,037.49
  6. Step 6: Final answer
    x = 1,811,440.14

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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.