Home / 3,030,997.68-4,182,756.12-1,672,870.80

Finding the Fourth Proportional to 3,030,997.68, 4,182,756.12 and 1,672,870.80

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Solution

The fourth proportional to 3,030,997.68, 4,182,756.12 and 1,672,870.80 is: 2,308,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030,997.68 : 4,182,756.12 = 1,672,870.80 : x
  2. Step 2: Convert to fraction form
    3,030,997.68/4,182,756.12 = 1,672,870.80/x
  3. Step 3: Cross multiply
    3,030,997.68x = 4,182,756.12 × 1,672,870.80
  4. Step 4: Simplify right side
    3,030,997.68x = 6,997,210,576,669.30
  5. Step 5: Solve for x
    x = 6,997,210,576,669.30/3,030,997.68
  6. Step 6: Final answer
    x = 2,308,550.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.