Home / 2,998,440.59-4,137,945.81-1,640,313.59

Finding the Fourth Proportional to 2,998,440.59, 4,137,945.81 and 1,640,313.59

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Solution

The fourth proportional to 2,998,440.59, 4,137,945.81 and 1,640,313.59 is: 2,263,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,440.59 : 4,137,945.81 = 1,640,313.59 : x
  2. Step 2: Convert to fraction form
    2,998,440.59/4,137,945.81 = 1,640,313.59/x
  3. Step 3: Cross multiply
    2,998,440.59x = 4,137,945.81 × 1,640,313.59
  4. Step 4: Simplify right side
    2,998,440.59x = 6,787,528,746,826.56
  5. Step 5: Solve for x
    x = 6,787,528,746,826.56/2,998,440.59
  6. Step 6: Final answer
    x = 2,263,686.25

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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.