Home / 2,157,761.14-2,977,716.60-1,177,709.16

Finding the Fourth Proportional to 2,157,761.14, 2,977,716.60 and 1,177,709.16

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Solution

The fourth proportional to 2,157,761.14, 2,977,716.60 and 1,177,709.16 is: 1,625,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,761.14 : 2,977,716.60 = 1,177,709.16 : x
  2. Step 2: Convert to fraction form
    2,157,761.14/2,977,716.60 = 1,177,709.16/x
  3. Step 3: Cross multiply
    2,157,761.14x = 2,977,716.60 × 1,177,709.16
  4. Step 4: Simplify right side
    2,157,761.14x = 3,506,884,115,704.06
  5. Step 5: Solve for x
    x = 3,506,884,115,704.06/2,157,761.14
  6. Step 6: Final answer
    x = 1,625,242.04

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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.