Home / 1,820,185.20-2,730,277.80-490,489.20

Finding the Fourth Proportional to 1,820,185.20, 2,730,277.80 and 490,489.20

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Solution

The fourth proportional to 1,820,185.20, 2,730,277.80 and 490,489.20 is: 735,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,185.20 : 2,730,277.80 = 490,489.20 : x
  2. Step 2: Convert to fraction form
    1,820,185.20/2,730,277.80 = 490,489.20/x
  3. Step 3: Cross multiply
    1,820,185.20x = 2,730,277.80 × 490,489.20
  4. Step 4: Simplify right side
    1,820,185.20x = 1,339,171,773,899.76
  5. Step 5: Solve for x
    x = 1,339,171,773,899.76/1,820,185.20
  6. Step 6: Final answer
    x = 735,733.80

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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.