Home / 5,103,431.72-7,042,518.43-2,926,462.76

Finding the Fourth Proportional to 5,103,431.72, 7,042,518.43 and 2,926,462.76

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Solution

The fourth proportional to 5,103,431.72, 7,042,518.43 and 2,926,462.76 is: 4,038,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,431.72 : 7,042,518.43 = 2,926,462.76 : x
  2. Step 2: Convert to fraction form
    5,103,431.72/7,042,518.43 = 2,926,462.76/x
  3. Step 3: Cross multiply
    5,103,431.72x = 7,042,518.43 × 2,926,462.76
  4. Step 4: Simplify right side
    5,103,431.72x = 20,609,667,879,479.92
  5. Step 5: Solve for x
    x = 20,609,667,879,479.92/5,103,431.72
  6. Step 6: Final answer
    x = 4,038,393.97

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Double scale
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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.