Home / 2,078,768.70-3,118,153.05-1,361,323.35

Finding the Fourth Proportional to 2,078,768.70, 3,118,153.05 and 1,361,323.35

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Solution

The fourth proportional to 2,078,768.70, 3,118,153.05 and 1,361,323.35 is: 2,041,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,768.70 : 3,118,153.05 = 1,361,323.35 : x
  2. Step 2: Convert to fraction form
    2,078,768.70/3,118,153.05 = 1,361,323.35/x
  3. Step 3: Cross multiply
    2,078,768.70x = 3,118,153.05 × 1,361,323.35
  4. Step 4: Simplify right side
    2,078,768.70x = 4,244,814,555,838.72
  5. Step 5: Solve for x
    x = 4,244,814,555,838.72/2,078,768.70
  6. Step 6: Final answer
    x = 2,041,985.03

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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.