Home / 7,128,880.71-10,692,878.19-2,271,067.10

Finding the Fourth Proportional to 7,128,880.71, 10,692,878.19 and 2,271,067.10

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Solution

The fourth proportional to 7,128,880.71, 10,692,878.19 and 2,271,067.10 is: 3,406,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,880.71 : 10,692,878.19 = 2,271,067.10 : x
  2. Step 2: Convert to fraction form
    7,128,880.71/10,692,878.19 = 2,271,067.10/x
  3. Step 3: Cross multiply
    7,128,880.71x = 10,692,878.19 × 2,271,067.10
  4. Step 4: Simplify right side
    7,128,880.71x = 24,284,243,852,508.70
  5. Step 5: Solve for x
    x = 24,284,243,852,508.70/7,128,880.71
  6. Step 6: Final answer
    x = 3,406,459.56

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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.