Home / 6,979,686.40-10,461,753.60-2,718,438.40

Finding the Fourth Proportional to 6,979,686.40, 10,461,753.60 and 2,718,438.40

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Solution

The fourth proportional to 6,979,686.40, 10,461,753.60 and 2,718,438.40 is: 4,074,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,686.40 : 10,461,753.60 = 2,718,438.40 : x
  2. Step 2: Convert to fraction form
    6,979,686.40/10,461,753.60 = 2,718,438.40/x
  3. Step 3: Cross multiply
    6,979,686.40x = 10,461,753.60 × 2,718,438.40
  4. Step 4: Simplify right side
    6,979,686.40x = 28,439,632,717,578.24
  5. Step 5: Solve for x
    x = 28,439,632,717,578.24/6,979,686.40
  6. Step 6: Final answer
    x = 4,074,629.01

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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.