Home / 1,642,651.65-2,266,835.22-917,509.86

Finding the Fourth Proportional to 1,642,651.65, 2,266,835.22 and 917,509.86

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Solution

The fourth proportional to 1,642,651.65, 2,266,835.22 and 917,509.86 is: 1,266,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,651.65 : 2,266,835.22 = 917,509.86 : x
  2. Step 2: Convert to fraction form
    1,642,651.65/2,266,835.22 = 917,509.86/x
  3. Step 3: Cross multiply
    1,642,651.65x = 2,266,835.22 × 917,509.86
  4. Step 4: Simplify right side
    1,642,651.65x = 2,079,843,665,345.27
  5. Step 5: Solve for x
    x = 2,079,843,665,345.27/1,642,651.65
  6. Step 6: Final answer
    x = 1,266,150.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.