Home / 2,128,197.53-2,936,974.89-1,161,390.14

Finding the Fourth Proportional to 2,128,197.53, 2,936,974.89 and 1,161,390.14

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Solution

The fourth proportional to 2,128,197.53, 2,936,974.89 and 1,161,390.14 is: 1,602,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,197.53 : 2,936,974.89 = 1,161,390.14 : x
  2. Step 2: Convert to fraction form
    2,128,197.53/2,936,974.89 = 1,161,390.14/x
  3. Step 3: Cross multiply
    2,128,197.53x = 2,936,974.89 × 1,161,390.14
  4. Step 4: Simplify right side
    2,128,197.53x = 3,410,973,663,988.71
  5. Step 5: Solve for x
    x = 3,410,973,663,988.71/2,128,197.53
  6. Step 6: Final answer
    x = 1,602,752.39

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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.