Home / 2,167,322.08-2,990,904.42-1,200,514.66

Finding the Fourth Proportional to 2,167,322.08, 2,990,904.42 and 1,200,514.66

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Solution

The fourth proportional to 2,167,322.08, 2,990,904.42 and 1,200,514.66 is: 1,656,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,322.08 : 2,990,904.42 = 1,200,514.66 : x
  2. Step 2: Convert to fraction form
    2,167,322.08/2,990,904.42 = 1,200,514.66/x
  3. Step 3: Cross multiply
    2,167,322.08x = 2,990,904.42 × 1,200,514.66
  4. Step 4: Simplify right side
    2,167,322.08x = 3,590,624,602,868.80
  5. Step 5: Solve for x
    x = 3,590,624,602,868.80/2,167,322.08
  6. Step 6: Final answer
    x = 1,656,710.20

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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.