Home / 6,870,686.40-10,309,966.20-2,613,909.60

Finding the Fourth Proportional to 6,870,686.40, 10,309,966.20 and 2,613,909.60

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Solution

The fourth proportional to 6,870,686.40, 10,309,966.20 and 2,613,909.60 is: 3,922,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,686.40 : 10,309,966.20 = 2,613,909.60 : x
  2. Step 2: Convert to fraction form
    6,870,686.40/10,309,966.20 = 2,613,909.60/x
  3. Step 3: Cross multiply
    6,870,686.40x = 10,309,966.20 × 2,613,909.60
  4. Step 4: Simplify right side
    6,870,686.40x = 26,949,319,625,855.52
  5. Step 5: Solve for x
    x = 26,949,319,625,855.52/6,870,686.40
  6. Step 6: Final answer
    x = 3,922,362.05

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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.