Home / 2,673,102.70-4,009,807.65-780,136.30

Finding the Fourth Proportional to 2,673,102.70, 4,009,807.65 and 780,136.30

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Solution

The fourth proportional to 2,673,102.70, 4,009,807.65 and 780,136.30 is: 1,170,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,102.70 : 4,009,807.65 = 780,136.30 : x
  2. Step 2: Convert to fraction form
    2,673,102.70/4,009,807.65 = 780,136.30/x
  3. Step 3: Cross multiply
    2,673,102.70x = 4,009,807.65 × 780,136.30
  4. Step 4: Simplify right side
    2,673,102.70x = 3,128,196,503,782.70
  5. Step 5: Solve for x
    x = 3,128,196,503,782.70/2,673,102.70
  6. Step 6: Final answer
    x = 1,170,249.28

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1.5x scale

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.