Home / 3,926,718.80-5,890,078.20-1,402,456.40

Finding the Fourth Proportional to 3,926,718.80, 5,890,078.20 and 1,402,456.40

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Solution

The fourth proportional to 3,926,718.80, 5,890,078.20 and 1,402,456.40 is: 2,103,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,718.80 : 5,890,078.20 = 1,402,456.40 : x
  2. Step 2: Convert to fraction form
    3,926,718.80/5,890,078.20 = 1,402,456.40/x
  3. Step 3: Cross multiply
    3,926,718.80x = 5,890,078.20 × 1,402,456.40
  4. Step 4: Simplify right side
    3,926,718.80x = 8,260,577,868,090.48
  5. Step 5: Solve for x
    x = 8,260,577,868,090.48/3,926,718.80
  6. Step 6: Final answer
    x = 2,103,684.60

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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.