Home / 4,200,820.80-6,302,786.40-4,045,300.80

Finding the Fourth Proportional to 4,200,820.80, 6,302,786.40 and 4,045,300.80

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Solution

The fourth proportional to 4,200,820.80, 6,302,786.40 and 4,045,300.80 is: 6,069,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,820.80 : 6,302,786.40 = 4,045,300.80 : x
  2. Step 2: Convert to fraction form
    4,200,820.80/6,302,786.40 = 4,045,300.80/x
  3. Step 3: Cross multiply
    4,200,820.80x = 6,302,786.40 × 4,045,300.80
  4. Step 4: Simplify right side
    4,200,820.80x = 25,496,666,866,149.12
  5. Step 5: Solve for x
    x = 25,496,666,866,149.12/4,200,820.80
  6. Step 6: Final answer
    x = 6,069,448.82

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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.