Home / 2,125,100.86-2,932,707.48-1,207,313.21

Finding the Fourth Proportional to 2,125,100.86, 2,932,707.48 and 1,207,313.21

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Solution

The fourth proportional to 2,125,100.86, 2,932,707.48 and 1,207,313.21 is: 1,666,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,100.86 : 2,932,707.48 = 1,207,313.21 : x
  2. Step 2: Convert to fraction form
    2,125,100.86/2,932,707.48 = 1,207,313.21/x
  3. Step 3: Cross multiply
    2,125,100.86x = 2,932,707.48 × 1,207,313.21
  4. Step 4: Simplify right side
    2,125,100.86x = 3,540,696,481,669.81
  5. Step 5: Solve for x
    x = 3,540,696,481,669.81/2,125,100.86
  6. Step 6: Final answer
    x = 1,666,131.03

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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.