Home / 1,971,087.18-2,719,937.40-1,111,858.62

Finding the Fourth Proportional to 1,971,087.18, 2,719,937.40 and 1,111,858.62

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Solution

The fourth proportional to 1,971,087.18, 2,719,937.40 and 1,111,858.62 is: 1,534,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,087.18 : 2,719,937.40 = 1,111,858.62 : x
  2. Step 2: Convert to fraction form
    1,971,087.18/2,719,937.40 = 1,111,858.62/x
  3. Step 3: Cross multiply
    1,971,087.18x = 2,719,937.40 × 1,111,858.62
  4. Step 4: Simplify right side
    1,971,087.18x = 3,024,185,844,050.39
  5. Step 5: Solve for x
    x = 3,024,185,844,050.39/1,971,087.18
  6. Step 6: Final answer
    x = 1,534,273.00

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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.