Home / 1,980,499.13-2,970,760.97-700,828.01

Finding the Fourth Proportional to 1,980,499.13, 2,970,760.97 and 700,828.01

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Solution

The fourth proportional to 1,980,499.13, 2,970,760.97 and 700,828.01 is: 1,051,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,499.13 : 2,970,760.97 = 700,828.01 : x
  2. Step 2: Convert to fraction form
    1,980,499.13/2,970,760.97 = 700,828.01/x
  3. Step 3: Cross multiply
    1,980,499.13x = 2,970,760.97 × 700,828.01
  4. Step 4: Simplify right side
    1,980,499.13x = 2,081,992,498,790.77
  5. Step 5: Solve for x
    x = 2,081,992,498,790.77/1,980,499.13
  6. Step 6: Final answer
    x = 1,051,246.36

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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.