Home / 5,225,514.81-7,839,281.63-1,986,800.66

Finding the Fourth Proportional to 5,225,514.81, 7,839,281.63 and 1,986,800.66

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Solution

The fourth proportional to 5,225,514.81, 7,839,281.63 and 1,986,800.66 is: 2,980,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225,514.81 : 7,839,281.63 = 1,986,800.66 : x
  2. Step 2: Convert to fraction form
    5,225,514.81/7,839,281.63 = 1,986,800.66/x
  3. Step 3: Cross multiply
    5,225,514.81x = 7,839,281.63 × 1,986,800.66
  4. Step 4: Simplify right side
    5,225,514.81x = 15,575,089,911,577.78
  5. Step 5: Solve for x
    x = 15,575,089,911,577.78/5,225,514.81
  6. Step 6: Final answer
    x = 2,980,584.78

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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.