Home / 4,138,365.30-5,707,708.79-2,688,527.88

Finding the Fourth Proportional to 4,138,365.30, 5,707,708.79 and 2,688,527.88

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Solution

The fourth proportional to 4,138,365.30, 5,707,708.79 and 2,688,527.88 is: 3,708,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,365.30 : 5,707,708.79 = 2,688,527.88 : x
  2. Step 2: Convert to fraction form
    4,138,365.30/5,707,708.79 = 2,688,527.88/x
  3. Step 3: Cross multiply
    4,138,365.30x = 5,707,708.79 × 2,688,527.88
  4. Step 4: Simplify right side
    4,138,365.30x = 15,345,334,199,393.43
  5. Step 5: Solve for x
    x = 15,345,334,199,393.43/4,138,365.30
  6. Step 6: Final answer
    x = 3,708,066.61

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1.5x scale

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.