Home / 2,129,304.40-2,941,645.08-1,396,000.96

Finding the Fourth Proportional to 2,129,304.40, 2,941,645.08 and 1,396,000.96

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Solution

The fourth proportional to 2,129,304.40, 2,941,645.08 and 1,396,000.96 is: 1,928,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,304.40 : 2,941,645.08 = 1,396,000.96 : x
  2. Step 2: Convert to fraction form
    2,129,304.40/2,941,645.08 = 1,396,000.96/x
  3. Step 3: Cross multiply
    2,129,304.40x = 2,941,645.08 × 1,396,000.96
  4. Step 4: Simplify right side
    2,129,304.40x = 4,106,539,355,659.28
  5. Step 5: Solve for x
    x = 4,106,539,355,659.28/2,129,304.40
  6. Step 6: Final answer
    x = 1,928,582.57

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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.