Home / 2,182,066.49-3,011,036.09-1,215,286.74

Finding the Fourth Proportional to 2,182,066.49, 3,011,036.09 and 1,215,286.74

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Solution

The fourth proportional to 2,182,066.49, 3,011,036.09 and 1,215,286.74 is: 1,676,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,066.49 : 3,011,036.09 = 1,215,286.74 : x
  2. Step 2: Convert to fraction form
    2,182,066.49/3,011,036.09 = 1,215,286.74/x
  3. Step 3: Cross multiply
    2,182,066.49x = 3,011,036.09 × 1,215,286.74
  4. Step 4: Simplify right side
    2,182,066.49x = 3,659,272,227,762.01
  5. Step 5: Solve for x
    x = 3,659,272,227,762.01/2,182,066.49
  6. Step 6: Final answer
    x = 1,676,975.58

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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.