Home / 5,143,398.45-7,716,812.72-3,421,058.32

Finding the Fourth Proportional to 5,143,398.45, 7,716,812.72 and 3,421,058.32

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Solution

The fourth proportional to 5,143,398.45, 7,716,812.72 and 3,421,058.32 is: 5,132,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,398.45 : 7,716,812.72 = 3,421,058.32 : x
  2. Step 2: Convert to fraction form
    5,143,398.45/7,716,812.72 = 3,421,058.32/x
  3. Step 3: Cross multiply
    5,143,398.45x = 7,716,812.72 × 3,421,058.32
  4. Step 4: Simplify right side
    5,143,398.45x = 26,399,666,342,532.54
  5. Step 5: Solve for x
    x = 26,399,666,342,532.54/5,143,398.45
  6. Step 6: Final answer
    x = 5,132,728.22

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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.