Home / 1,990,848.40-2,986,272.60-925,536.40

Finding the Fourth Proportional to 1,990,848.40, 2,986,272.60 and 925,536.40

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Solution

The fourth proportional to 1,990,848.40, 2,986,272.60 and 925,536.40 is: 1,388,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,848.40 : 2,986,272.60 = 925,536.40 : x
  2. Step 2: Convert to fraction form
    1,990,848.40/2,986,272.60 = 925,536.40/x
  3. Step 3: Cross multiply
    1,990,848.40x = 2,986,272.60 × 925,536.40
  4. Step 4: Simplify right side
    1,990,848.40x = 2,763,903,991,622.64
  5. Step 5: Solve for x
    x = 2,763,903,991,622.64/1,990,848.40
  6. Step 6: Final answer
    x = 1,388,304.60

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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.