Home / 1,890,051.28-2,608,176.20-1,074,147.28

Finding the Fourth Proportional to 1,890,051.28, 2,608,176.20 and 1,074,147.28

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Solution

The fourth proportional to 1,890,051.28, 2,608,176.20 and 1,074,147.28 is: 1,482,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,051.28 : 2,608,176.20 = 1,074,147.28 : x
  2. Step 2: Convert to fraction form
    1,890,051.28/2,608,176.20 = 1,074,147.28/x
  3. Step 3: Cross multiply
    1,890,051.28x = 2,608,176.20 × 1,074,147.28
  4. Step 4: Simplify right side
    1,890,051.28x = 2,801,565,370,990.74
  5. Step 5: Solve for x
    x = 2,801,565,370,990.74/1,890,051.28
  6. Step 6: Final answer
    x = 1,482,269.50

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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.