Home / 1,886,441.15-2,605,017.96-1,198,334.81

Finding the Fourth Proportional to 1,886,441.15, 2,605,017.96 and 1,198,334.81

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Solution

The fourth proportional to 1,886,441.15, 2,605,017.96 and 1,198,334.81 is: 1,654,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,441.15 : 2,605,017.96 = 1,198,334.81 : x
  2. Step 2: Convert to fraction form
    1,886,441.15/2,605,017.96 = 1,198,334.81/x
  3. Step 3: Cross multiply
    1,886,441.15x = 2,605,017.96 × 1,198,334.81
  4. Step 4: Simplify right side
    1,886,441.15x = 3,121,683,689,118.10
  5. Step 5: Solve for x
    x = 3,121,683,689,118.10/1,886,441.15
  6. Step 6: Final answer
    x = 1,654,800.47

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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.