Home / 2,125,813.44-2,934,441.60-1,557,368.64

Finding the Fourth Proportional to 2,125,813.44, 2,934,441.60 and 1,557,368.64

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Solution

The fourth proportional to 2,125,813.44, 2,934,441.60 and 1,557,368.64 is: 2,149,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,813.44 : 2,934,441.60 = 1,557,368.64 : x
  2. Step 2: Convert to fraction form
    2,125,813.44/2,934,441.60 = 1,557,368.64/x
  3. Step 3: Cross multiply
    2,125,813.44x = 2,934,441.60 × 1,557,368.64
  4. Step 4: Simplify right side
    2,125,813.44x = 4,570,007,323,751.42
  5. Step 5: Solve for x
    x = 4,570,007,323,751.42/2,125,813.44
  6. Step 6: Final answer
    x = 2,149,768.76

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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.