Home / 2,868,981-3,959,193.78-1,579,818.32

Finding the Fourth Proportional to 2,868,981, 3,959,193.78 and 1,579,818.32

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Solution

The fourth proportional to 2,868,981, 3,959,193.78 and 1,579,818.32 is: 2,180,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,981 : 3,959,193.78 = 1,579,818.32 : x
  2. Step 2: Convert to fraction form
    2,868,981/3,959,193.78 = 1,579,818.32/x
  3. Step 3: Cross multiply
    2,868,981x = 3,959,193.78 × 1,579,818.32
  4. Step 4: Simplify right side
    2,868,981x = 6,254,806,846,278.08
  5. Step 5: Solve for x
    x = 6,254,806,846,278.08/2,868,981
  6. Step 6: Final answer
    x = 2,180,149.27

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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.