Home / 2,334,742.80-3,221,994.36-1,316,147.60

Finding the Fourth Proportional to 2,334,742.80, 3,221,994.36 and 1,316,147.60

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Solution

The fourth proportional to 2,334,742.80, 3,221,994.36 and 1,316,147.60 is: 1,816,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334,742.80 : 3,221,994.36 = 1,316,147.60 : x
  2. Step 2: Convert to fraction form
    2,334,742.80/3,221,994.36 = 1,316,147.60/x
  3. Step 3: Cross multiply
    2,334,742.80x = 3,221,994.36 × 1,316,147.60
  4. Step 4: Simplify right side
    2,334,742.80x = 4,240,620,144,127.54
  5. Step 5: Solve for x
    x = 4,240,620,144,127.54/2,334,742.80
  6. Step 6: Final answer
    x = 1,816,311.48

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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.