Home / 1,417,842.20-2,122,826.70-1,378,476.20

Finding the Fourth Proportional to 1,417,842.20, 2,122,826.70 and 1,378,476.20

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Solution

The fourth proportional to 1,417,842.20, 2,122,826.70 and 1,378,476.20 is: 2,063,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,842.20 : 2,122,826.70 = 1,378,476.20 : x
  2. Step 2: Convert to fraction form
    1,417,842.20/2,122,826.70 = 1,378,476.20/x
  3. Step 3: Cross multiply
    1,417,842.20x = 2,122,826.70 × 1,378,476.20
  4. Step 4: Simplify right side
    1,417,842.20x = 2,926,266,082,674.54
  5. Step 5: Solve for x
    x = 2,926,266,082,674.54/1,417,842.20
  6. Step 6: Final answer
    x = 2,063,887.00

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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.