Home / 2,775,406.40-4,160,344.80-1,276,884.80

Finding the Fourth Proportional to 2,775,406.40, 4,160,344.80 and 1,276,884.80

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Solution

The fourth proportional to 2,775,406.40, 4,160,344.80 and 1,276,884.80 is: 1,914,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,406.40 : 4,160,344.80 = 1,276,884.80 : x
  2. Step 2: Convert to fraction form
    2,775,406.40/4,160,344.80 = 1,276,884.80/x
  3. Step 3: Cross multiply
    2,775,406.40x = 4,160,344.80 × 1,276,884.80
  4. Step 4: Simplify right side
    2,775,406.40x = 5,312,281,037,879.04
  5. Step 5: Solve for x
    x = 5,312,281,037,879.04/2,775,406.40
  6. Step 6: Final answer
    x = 1,914,055.19

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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.