Home / 3,929,320.14-5,893,980.46-1,089,432.36

Finding the Fourth Proportional to 3,929,320.14, 5,893,980.46 and 1,089,432.36

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Solution

The fourth proportional to 3,929,320.14, 5,893,980.46 and 1,089,432.36 is: 1,634,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,320.14 : 5,893,980.46 = 1,089,432.36 : x
  2. Step 2: Convert to fraction form
    3,929,320.14/5,893,980.46 = 1,089,432.36/x
  3. Step 3: Cross multiply
    3,929,320.14x = 5,893,980.46 × 1,089,432.36
  4. Step 4: Simplify right side
    3,929,320.14x = 6,421,093,042,331.69
  5. Step 5: Solve for x
    x = 6,421,093,042,331.69/3,929,320.14
  6. Step 6: Final answer
    x = 1,634,148.61

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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.