Home / 2,120,483.45-2,927,283.54-1,305,385.82

Finding the Fourth Proportional to 2,120,483.45, 2,927,283.54 and 1,305,385.82

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Solution

The fourth proportional to 2,120,483.45, 2,927,283.54 and 1,305,385.82 is: 1,802,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,483.45 : 2,927,283.54 = 1,305,385.82 : x
  2. Step 2: Convert to fraction form
    2,120,483.45/2,927,283.54 = 1,305,385.82/x
  3. Step 3: Cross multiply
    2,120,483.45x = 2,927,283.54 × 1,305,385.82
  4. Step 4: Simplify right side
    2,120,483.45x = 3,821,234,417,708.47
  5. Step 5: Solve for x
    x = 3,821,234,417,708.47/2,120,483.45
  6. Step 6: Final answer
    x = 1,802,058.12

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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.