Home / 5,130,623.64-7,077,175.74-3,388,309.06

Finding the Fourth Proportional to 5,130,623.64, 7,077,175.74 and 3,388,309.06

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Solution

The fourth proportional to 5,130,623.64, 7,077,175.74 and 3,388,309.06 is: 4,673,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,623.64 : 7,077,175.74 = 3,388,309.06 : x
  2. Step 2: Convert to fraction form
    5,130,623.64/7,077,175.74 = 3,388,309.06/x
  3. Step 3: Cross multiply
    5,130,623.64x = 7,077,175.74 × 3,388,309.06
  4. Step 4: Simplify right side
    5,130,623.64x = 23,979,658,679,054.21
  5. Step 5: Solve for x
    x = 23,979,658,679,054.21/5,130,623.64
  6. Step 6: Final answer
    x = 4,673,829.22

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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.