Home / 5,147,742.78-7,721,669.25-1,553,541.93

Finding the Fourth Proportional to 5,147,742.78, 7,721,669.25 and 1,553,541.93

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Solution

The fourth proportional to 5,147,742.78, 7,721,669.25 and 1,553,541.93 is: 2,330,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,742.78 : 7,721,669.25 = 1,553,541.93 : x
  2. Step 2: Convert to fraction form
    5,147,742.78/7,721,669.25 = 1,553,541.93/x
  3. Step 3: Cross multiply
    5,147,742.78x = 7,721,669.25 × 1,553,541.93
  4. Step 4: Simplify right side
    5,147,742.78x = 11,995,936,949,466.65
  5. Step 5: Solve for x
    x = 11,995,936,949,466.65/5,147,742.78
  6. Step 6: Final answer
    x = 2,330,329.52

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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.