Home / 2,886,569.12-3,983,475.95-1,561,992.87

Finding the Fourth Proportional to 2,886,569.12, 3,983,475.95 and 1,561,992.87

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Solution

The fourth proportional to 2,886,569.12, 3,983,475.95 and 1,561,992.87 is: 2,155,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,569.12 : 3,983,475.95 = 1,561,992.87 : x
  2. Step 2: Convert to fraction form
    2,886,569.12/3,983,475.95 = 1,561,992.87/x
  3. Step 3: Cross multiply
    2,886,569.12x = 3,983,475.95 × 1,561,992.87
  4. Step 4: Simplify right side
    2,886,569.12x = 6,222,161,008,826.42
  5. Step 5: Solve for x
    x = 6,222,161,008,826.42/2,886,569.12
  6. Step 6: Final answer
    x = 2,155,555.87

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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.