Home / 2,078,701.60-3,119,089.20-1,180,832.80

Finding the Fourth Proportional to 2,078,701.60, 3,119,089.20 and 1,180,832.80

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Solution

The fourth proportional to 2,078,701.60, 3,119,089.20 and 1,180,832.80 is: 1,771,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,701.60 : 3,119,089.20 = 1,180,832.80 : x
  2. Step 2: Convert to fraction form
    2,078,701.60/3,119,089.20 = 1,180,832.80/x
  3. Step 3: Cross multiply
    2,078,701.60x = 3,119,089.20 × 1,180,832.80
  4. Step 4: Simplify right side
    2,078,701.60x = 3,683,122,833,485.76
  5. Step 5: Solve for x
    x = 3,683,122,833,485.76/2,078,701.60
  6. Step 6: Final answer
    x = 1,771,838.17

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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.