Home / 1,579,916.97-2,180,277.01-891,812.45

Finding the Fourth Proportional to 1,579,916.97, 2,180,277.01 and 891,812.45

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Solution

The fourth proportional to 1,579,916.97, 2,180,277.01 and 891,812.45 is: 1,230,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,916.97 : 2,180,277.01 = 891,812.45 : x
  2. Step 2: Convert to fraction form
    1,579,916.97/2,180,277.01 = 891,812.45/x
  3. Step 3: Cross multiply
    1,579,916.97x = 2,180,277.01 × 891,812.45
  4. Step 4: Simplify right side
    1,579,916.97x = 1,944,398,181,966.77
  5. Step 5: Solve for x
    x = 1,944,398,181,966.77/1,579,916.97
  6. Step 6: Final answer
    x = 1,230,696.43

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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.