Home / 2,212,395.36-3,319,076.88-716,638.56

Finding the Fourth Proportional to 2,212,395.36, 3,319,076.88 and 716,638.56

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Solution

The fourth proportional to 2,212,395.36, 3,319,076.88 and 716,638.56 is: 1,075,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,395.36 : 3,319,076.88 = 716,638.56 : x
  2. Step 2: Convert to fraction form
    2,212,395.36/3,319,076.88 = 716,638.56/x
  3. Step 3: Cross multiply
    2,212,395.36x = 3,319,076.88 × 716,638.56
  4. Step 4: Simplify right side
    2,212,395.36x = 2,378,578,475,812.49
  5. Step 5: Solve for x
    x = 2,378,578,475,812.49/2,212,395.36
  6. Step 6: Final answer
    x = 1,075,114.57

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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.