Home / 2,159,613.90-2,980,210.14-1,192,723.38

Finding the Fourth Proportional to 2,159,613.90, 2,980,210.14 and 1,192,723.38

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Solution

The fourth proportional to 2,159,613.90, 2,980,210.14 and 1,192,723.38 is: 1,645,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,613.90 : 2,980,210.14 = 1,192,723.38 : x
  2. Step 2: Convert to fraction form
    2,159,613.90/2,980,210.14 = 1,192,723.38/x
  3. Step 3: Cross multiply
    2,159,613.90x = 2,980,210.14 × 1,192,723.38
  4. Step 4: Simplify right side
    2,159,613.90x = 3,554,566,311,291.07
  5. Step 5: Solve for x
    x = 3,554,566,311,291.07/2,159,613.90
  6. Step 6: Final answer
    x = 1,645,926.76

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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.