Home / 5,615,466.72-8,424,130.59-1,971,251.31

Finding the Fourth Proportional to 5,615,466.72, 8,424,130.59 and 1,971,251.31

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Solution

The fourth proportional to 5,615,466.72, 8,424,130.59 and 1,971,251.31 is: 2,957,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,466.72 : 8,424,130.59 = 1,971,251.31 : x
  2. Step 2: Convert to fraction form
    5,615,466.72/8,424,130.59 = 1,971,251.31/x
  3. Step 3: Cross multiply
    5,615,466.72x = 8,424,130.59 × 1,971,251.31
  4. Step 4: Simplify right side
    5,615,466.72x = 16,606,078,463,502.05
  5. Step 5: Solve for x
    x = 16,606,078,463,502.05/5,615,466.72
  6. Step 6: Final answer
    x = 2,957,203.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.