Home / 3,480,945.54-5,221,411.09-1,963,939.80

Finding the Fourth Proportional to 3,480,945.54, 5,221,411.09 and 1,963,939.80

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Solution

The fourth proportional to 3,480,945.54, 5,221,411.09 and 1,963,939.80 is: 2,945,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,945.54 : 5,221,411.09 = 1,963,939.80 : x
  2. Step 2: Convert to fraction form
    3,480,945.54/5,221,411.09 = 1,963,939.80/x
  3. Step 3: Cross multiply
    3,480,945.54x = 5,221,411.09 × 1,963,939.80
  4. Step 4: Simplify right side
    3,480,945.54x = 10,254,537,051,812.38
  5. Step 5: Solve for x
    x = 10,254,537,051,812.38/3,480,945.54
  6. Step 6: Final answer
    x = 2,945,905.63

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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.