Home / 2,128,945.17-3,190,148.65-1,444,943.61

Finding the Fourth Proportional to 2,128,945.17, 3,190,148.65 and 1,444,943.61

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Solution

The fourth proportional to 2,128,945.17, 3,190,148.65 and 1,444,943.61 is: 2,165,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,945.17 : 3,190,148.65 = 1,444,943.61 : x
  2. Step 2: Convert to fraction form
    2,128,945.17/3,190,148.65 = 1,444,943.61/x
  3. Step 3: Cross multiply
    2,128,945.17x = 3,190,148.65 × 1,444,943.61
  4. Step 4: Simplify right side
    2,128,945.17x = 4,609,584,908,573.81
  5. Step 5: Solve for x
    x = 4,609,584,908,573.81/2,128,945.17
  6. Step 6: Final answer
    x = 2,165,196.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.