Home / 3,128,869-4,317,839.22-1,698,085

Finding the Fourth Proportional to 3,128,869, 4,317,839.22 and 1,698,085

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Solution

The fourth proportional to 3,128,869, 4,317,839.22 and 1,698,085 is: 2,343,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,869 : 4,317,839.22 = 1,698,085 : x
  2. Step 2: Convert to fraction form
    3,128,869/4,317,839.22 = 1,698,085/x
  3. Step 3: Cross multiply
    3,128,869x = 4,317,839.22 × 1,698,085
  4. Step 4: Simplify right side
    3,128,869x = 7,332,058,011,893.70
  5. Step 5: Solve for x
    x = 7,332,058,011,893.70/3,128,869
  6. Step 6: Final answer
    x = 2,343,357.30

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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.