Home / 1,893,408.66-2,613,128.16-1,066,509.43

Finding the Fourth Proportional to 1,893,408.66, 2,613,128.16 and 1,066,509.43

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Solution

The fourth proportional to 1,893,408.66, 2,613,128.16 and 1,066,509.43 is: 1,471,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,408.66 : 2,613,128.16 = 1,066,509.43 : x
  2. Step 2: Convert to fraction form
    1,893,408.66/2,613,128.16 = 1,066,509.43/x
  3. Step 3: Cross multiply
    1,893,408.66x = 2,613,128.16 × 1,066,509.43
  4. Step 4: Simplify right side
    1,893,408.66x = 2,786,925,824,438.55
  5. Step 5: Solve for x
    x = 2,786,925,824,438.55/1,893,408.66
  6. Step 6: Final answer
    x = 1,471,909.30

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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.