Home / 2,102,833.86-2,902,879.47-1,231,547.34

Finding the Fourth Proportional to 2,102,833.86, 2,902,879.47 and 1,231,547.34

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Solution

The fourth proportional to 2,102,833.86, 2,902,879.47 and 1,231,547.34 is: 1,700,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,833.86 : 2,902,879.47 = 1,231,547.34 : x
  2. Step 2: Convert to fraction form
    2,102,833.86/2,902,879.47 = 1,231,547.34/x
  3. Step 3: Cross multiply
    2,102,833.86x = 2,902,879.47 × 1,231,547.34
  4. Step 4: Simplify right side
    2,102,833.86x = 3,575,033,489,619.11
  5. Step 5: Solve for x
    x = 3,575,033,489,619.11/2,102,833.86
  6. Step 6: Final answer
    x = 1,700,102.68

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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.