Home / 5,154,412.88-7,112,666.28-2,831,185.33

Finding the Fourth Proportional to 5,154,412.88, 7,112,666.28 and 2,831,185.33

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Solution

The fourth proportional to 5,154,412.88, 7,112,666.28 and 2,831,185.33 is: 3,906,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,412.88 : 7,112,666.28 = 2,831,185.33 : x
  2. Step 2: Convert to fraction form
    5,154,412.88/7,112,666.28 = 2,831,185.33/x
  3. Step 3: Cross multiply
    5,154,412.88x = 7,112,666.28 × 2,831,185.33
  4. Step 4: Simplify right side
    5,154,412.88x = 20,137,276,429,121.67
  5. Step 5: Solve for x
    x = 20,137,276,429,121.67/5,154,412.88
  6. Step 6: Final answer
    x = 3,906,803.14

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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.