Home / 1,886,516.96-2,603,619.12-1,112,323.04

Finding the Fourth Proportional to 1,886,516.96, 2,603,619.12 and 1,112,323.04

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Solution

The fourth proportional to 1,886,516.96, 2,603,619.12 and 1,112,323.04 is: 1,535,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,516.96 : 2,603,619.12 = 1,112,323.04 : x
  2. Step 2: Convert to fraction form
    1,886,516.96/2,603,619.12 = 1,112,323.04/x
  3. Step 3: Cross multiply
    1,886,516.96x = 2,603,619.12 × 1,112,323.04
  4. Step 4: Simplify right side
    1,886,516.96x = 2,896,065,534,560.53
  5. Step 5: Solve for x
    x = 2,896,065,534,560.53/1,886,516.96
  6. Step 6: Final answer
    x = 1,535,138.88

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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.