Home / 2,157,867.11-2,977,644.60-1,190,934.98

Finding the Fourth Proportional to 2,157,867.11, 2,977,644.60 and 1,190,934.98

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Solution

The fourth proportional to 2,157,867.11, 2,977,644.60 and 1,190,934.98 is: 1,643,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,867.11 : 2,977,644.60 = 1,190,934.98 : x
  2. Step 2: Convert to fraction form
    2,157,867.11/2,977,644.60 = 1,190,934.98/x
  3. Step 3: Cross multiply
    2,157,867.11x = 2,977,644.60 × 1,190,934.98
  4. Step 4: Simplify right side
    2,157,867.11x = 3,546,181,097,259.89
  5. Step 5: Solve for x
    x = 3,546,181,097,259.89/2,157,867.11
  6. Step 6: Final answer
    x = 1,643,373.25

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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.