Home / 1,757,990.17-2,650,161.70-1,640,809.79

Finding the Fourth Proportional to 1,757,990.17, 2,650,161.70 and 1,640,809.79

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Solution

The fourth proportional to 1,757,990.17, 2,650,161.70 and 1,640,809.79 is: 2,473,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,990.17 : 2,650,161.70 = 1,640,809.79 : x
  2. Step 2: Convert to fraction form
    1,757,990.17/2,650,161.70 = 1,640,809.79/x
  3. Step 3: Cross multiply
    1,757,990.17x = 2,650,161.70 × 1,640,809.79
  4. Step 4: Simplify right side
    1,757,990.17x = 4,348,411,254,238.99
  5. Step 5: Solve for x
    x = 4,348,411,254,238.99/1,757,990.17
  6. Step 6: Final answer
    x = 2,473,512.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.