Home / 3,989,886.60-5,506,078.74-2,271,117.80

Finding the Fourth Proportional to 3,989,886.60, 5,506,078.74 and 2,271,117.80

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Solution

The fourth proportional to 3,989,886.60, 5,506,078.74 and 2,271,117.80 is: 3,134,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,886.60 : 5,506,078.74 = 2,271,117.80 : x
  2. Step 2: Convert to fraction form
    3,989,886.60/5,506,078.74 = 2,271,117.80/x
  3. Step 3: Cross multiply
    3,989,886.60x = 5,506,078.74 × 2,271,117.80
  4. Step 4: Simplify right side
    3,989,886.60x = 12,504,953,434,615.57
  5. Step 5: Solve for x
    x = 12,504,953,434,615.57/3,989,886.60
  6. Step 6: Final answer
    x = 3,134,162.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.