Home / 2,077,041.80-3,115,562.70-1,178,136.20

Finding the Fourth Proportional to 2,077,041.80, 3,115,562.70 and 1,178,136.20

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Solution

The fourth proportional to 2,077,041.80, 3,115,562.70 and 1,178,136.20 is: 1,767,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,041.80 : 3,115,562.70 = 1,178,136.20 : x
  2. Step 2: Convert to fraction form
    2,077,041.80/3,115,562.70 = 1,178,136.20/x
  3. Step 3: Cross multiply
    2,077,041.80x = 3,115,562.70 × 1,178,136.20
  4. Step 4: Simplify right side
    2,077,041.80x = 3,670,557,200,239.74
  5. Step 5: Solve for x
    x = 3,670,557,200,239.74/2,077,041.80
  6. Step 6: Final answer
    x = 1,767,204.30

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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.