Home / 1,927,207.80-2,890,811.70-1,853,724.60

Finding the Fourth Proportional to 1,927,207.80, 2,890,811.70 and 1,853,724.60

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Solution

The fourth proportional to 1,927,207.80, 2,890,811.70 and 1,853,724.60 is: 2,780,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,207.80 : 2,890,811.70 = 1,853,724.60 : x
  2. Step 2: Convert to fraction form
    1,927,207.80/2,890,811.70 = 1,853,724.60/x
  3. Step 3: Cross multiply
    1,927,207.80x = 2,890,811.70 × 1,853,724.60
  4. Step 4: Simplify right side
    1,927,207.80x = 5,358,768,762,257.82
  5. Step 5: Solve for x
    x = 5,358,768,762,257.82/1,927,207.80
  6. Step 6: Final answer
    x = 2,780,586.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.