Home / 2,211,276.80-3,051,290.40-1,395,172.64

Finding the Fourth Proportional to 2,211,276.80, 3,051,290.40 and 1,395,172.64

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Solution

The fourth proportional to 2,211,276.80, 3,051,290.40 and 1,395,172.64 is: 1,925,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,276.80 : 3,051,290.40 = 1,395,172.64 : x
  2. Step 2: Convert to fraction form
    2,211,276.80/3,051,290.40 = 1,395,172.64/x
  3. Step 3: Cross multiply
    2,211,276.80x = 3,051,290.40 × 1,395,172.64
  4. Step 4: Simplify right side
    2,211,276.80x = 4,257,076,882,774.66
  5. Step 5: Solve for x
    x = 4,257,076,882,774.66/2,211,276.80
  6. Step 6: Final answer
    x = 1,925,166.89

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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.