Home / 5,431,576.69-7,492,457.91-3,390,843.25

Finding the Fourth Proportional to 5,431,576.69, 7,492,457.91 and 3,390,843.25

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Solution

The fourth proportional to 5,431,576.69, 7,492,457.91 and 3,390,843.25 is: 4,677,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,576.69 : 7,492,457.91 = 3,390,843.25 : x
  2. Step 2: Convert to fraction form
    5,431,576.69/7,492,457.91 = 3,390,843.25/x
  3. Step 3: Cross multiply
    5,431,576.69x = 7,492,457.91 × 3,390,843.25
  4. Step 4: Simplify right side
    5,431,576.69x = 25,405,750,330,032.61
  5. Step 5: Solve for x
    x = 25,405,750,330,032.61/5,431,576.69
  6. Step 6: Final answer
    x = 4,677,417.22

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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.