Home / 1,917,491.28-2,646,134.86-1,058,050.88

Finding the Fourth Proportional to 1,917,491.28, 2,646,134.86 and 1,058,050.88

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Solution

The fourth proportional to 1,917,491.28, 2,646,134.86 and 1,058,050.88 is: 1,460,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,491.28 : 2,646,134.86 = 1,058,050.88 : x
  2. Step 2: Convert to fraction form
    1,917,491.28/2,646,134.86 = 1,058,050.88/x
  3. Step 3: Cross multiply
    1,917,491.28x = 2,646,134.86 × 1,058,050.88
  4. Step 4: Simplify right side
    1,917,491.28x = 2,799,745,317,221.68
  5. Step 5: Solve for x
    x = 2,799,745,317,221.68/1,917,491.28
  6. Step 6: Final answer
    x = 1,460,108.50

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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.