Home / 3,072,876.31-4,240,570.13-1,696,220.86

Finding the Fourth Proportional to 3,072,876.31, 4,240,570.13 and 1,696,220.86

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Solution

The fourth proportional to 3,072,876.31, 4,240,570.13 and 1,696,220.86 is: 2,340,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,876.31 : 4,240,570.13 = 1,696,220.86 : x
  2. Step 2: Convert to fraction form
    3,072,876.31/4,240,570.13 = 1,696,220.86/x
  3. Step 3: Cross multiply
    3,072,876.31x = 4,240,570.13 × 1,696,220.86
  4. Step 4: Simplify right side
    3,072,876.31x = 7,192,943,512,798.91
  5. Step 5: Solve for x
    x = 7,192,943,512,798.91/3,072,876.31
  6. Step 6: Final answer
    x = 2,340,785.24

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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.