Home / 1,297,120.14-1,937,164.27-1,105,538.94

Finding the Fourth Proportional to 1,297,120.14, 1,937,164.27 and 1,105,538.94

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Solution

The fourth proportional to 1,297,120.14, 1,937,164.27 and 1,105,538.94 is: 1,651,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,120.14 : 1,937,164.27 = 1,105,538.94 : x
  2. Step 2: Convert to fraction form
    1,297,120.14/1,937,164.27 = 1,105,538.94/x
  3. Step 3: Cross multiply
    1,297,120.14x = 1,937,164.27 × 1,105,538.94
  4. Step 4: Simplify right side
    1,297,120.14x = 2,141,610,533,661.67
  5. Step 5: Solve for x
    x = 2,141,610,533,661.67/1,297,120.14
  6. Step 6: Final answer
    x = 1,651,050.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.