Home / 3,990,056.41-5,985,926.34-1,294,172.29

Finding the Fourth Proportional to 3,990,056.41, 5,985,926.34 and 1,294,172.29

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Solution

The fourth proportional to 3,990,056.41, 5,985,926.34 and 1,294,172.29 is: 1,941,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,056.41 : 5,985,926.34 = 1,294,172.29 : x
  2. Step 2: Convert to fraction form
    3,990,056.41/5,985,926.34 = 1,294,172.29/x
  3. Step 3: Cross multiply
    3,990,056.41x = 5,985,926.34 × 1,294,172.29
  4. Step 4: Simplify right side
    3,990,056.41x = 7,746,819,999,209.12
  5. Step 5: Solve for x
    x = 7,746,819,999,209.12/3,990,056.41
  6. Step 6: Final answer
    x = 1,941,531.45

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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.