Home / 2,773,126.80-4,159,690.20-978,037.20

Finding the Fourth Proportional to 2,773,126.80, 4,159,690.20 and 978,037.20

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Solution

The fourth proportional to 2,773,126.80, 4,159,690.20 and 978,037.20 is: 1,467,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773,126.80 : 4,159,690.20 = 978,037.20 : x
  2. Step 2: Convert to fraction form
    2,773,126.80/4,159,690.20 = 978,037.20/x
  3. Step 3: Cross multiply
    2,773,126.80x = 4,159,690.20 × 978,037.20
  4. Step 4: Simplify right side
    2,773,126.80x = 4,068,331,756,075.44
  5. Step 5: Solve for x
    x = 4,068,331,756,075.44/2,773,126.80
  6. Step 6: Final answer
    x = 1,467,055.80

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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.