Home / 1,972,127.40-2,954,043.90-1,640,351.40

Finding the Fourth Proportional to 1,972,127.40, 2,954,043.90 and 1,640,351.40

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Solution

The fourth proportional to 1,972,127.40, 2,954,043.90 and 1,640,351.40 is: 2,457,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,127.40 : 2,954,043.90 = 1,640,351.40 : x
  2. Step 2: Convert to fraction form
    1,972,127.40/2,954,043.90 = 1,640,351.40/x
  3. Step 3: Cross multiply
    1,972,127.40x = 2,954,043.90 × 1,640,351.40
  4. Step 4: Simplify right side
    1,972,127.40x = 4,845,670,047,026.46
  5. Step 5: Solve for x
    x = 4,845,670,047,026.46/1,972,127.40
  6. Step 6: Final answer
    x = 2,457,077.59

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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.