Home / 1,932,587.81-2,666,776.25-1,128,238.37

Finding the Fourth Proportional to 1,932,587.81, 2,666,776.25 and 1,128,238.37

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Solution

The fourth proportional to 1,932,587.81, 2,666,776.25 and 1,128,238.37 is: 1,556,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,587.81 : 2,666,776.25 = 1,128,238.37 : x
  2. Step 2: Convert to fraction form
    1,932,587.81/2,666,776.25 = 1,128,238.37/x
  3. Step 3: Cross multiply
    1,932,587.81x = 2,666,776.25 × 1,128,238.37
  4. Step 4: Simplify right side
    1,932,587.81x = 3,008,759,278,941.43
  5. Step 5: Solve for x
    x = 3,008,759,278,941.43/1,932,587.81
  6. Step 6: Final answer
    x = 1,556,855.15

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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.