Home / 2,290,973.40-3,436,460.10-1,279,056.60

Finding the Fourth Proportional to 2,290,973.40, 3,436,460.10 and 1,279,056.60

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Solution

The fourth proportional to 2,290,973.40, 3,436,460.10 and 1,279,056.60 is: 1,918,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,973.40 : 3,436,460.10 = 1,279,056.60 : x
  2. Step 2: Convert to fraction form
    2,290,973.40/3,436,460.10 = 1,279,056.60/x
  3. Step 3: Cross multiply
    2,290,973.40x = 3,436,460.10 × 1,279,056.60
  4. Step 4: Simplify right side
    2,290,973.40x = 4,395,426,971,541.66
  5. Step 5: Solve for x
    x = 4,395,426,971,541.66/2,290,973.40
  6. Step 6: Final answer
    x = 1,918,584.90

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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.