Home / 1,917,403.86-2,646,072.71-1,058,019.46

Finding the Fourth Proportional to 1,917,403.86, 2,646,072.71 and 1,058,019.46

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Solution

The fourth proportional to 1,917,403.86, 2,646,072.71 and 1,058,019.46 is: 1,460,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,403.86 : 2,646,072.71 = 1,058,019.46 : x
  2. Step 2: Convert to fraction form
    1,917,403.86/2,646,072.71 = 1,058,019.46/x
  3. Step 3: Cross multiply
    1,917,403.86x = 2,646,072.71 × 1,058,019.46
  4. Step 4: Simplify right side
    1,917,403.86x = 2,799,596,419,754.94
  5. Step 5: Solve for x
    x = 2,799,596,419,754.94/1,917,403.86
  6. Step 6: Final answer
    x = 1,460,097.42

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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.