Home / 2,079,017.80-3,118,980.30-1,180,889.80

Finding the Fourth Proportional to 2,079,017.80, 3,118,980.30 and 1,180,889.80

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Solution

The fourth proportional to 2,079,017.80, 3,118,980.30 and 1,180,889.80 is: 1,771,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,017.80 : 3,118,980.30 = 1,180,889.80 : x
  2. Step 2: Convert to fraction form
    2,079,017.80/3,118,980.30 = 1,180,889.80/x
  3. Step 3: Cross multiply
    2,079,017.80x = 3,118,980.30 × 1,180,889.80
  4. Step 4: Simplify right side
    2,079,017.80x = 3,683,172,022,670.94
  5. Step 5: Solve for x
    x = 3,683,172,022,670.94/2,079,017.80
  6. Step 6: Final answer
    x = 1,771,592.35

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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.