Home / 1,969,254.36-2,717,004.15-1,281,937.77

Finding the Fourth Proportional to 1,969,254.36, 2,717,004.15 and 1,281,937.77

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Solution

The fourth proportional to 1,969,254.36, 2,717,004.15 and 1,281,937.77 is: 1,768,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,254.36 : 2,717,004.15 = 1,281,937.77 : x
  2. Step 2: Convert to fraction form
    1,969,254.36/2,717,004.15 = 1,281,937.77/x
  3. Step 3: Cross multiply
    1,969,254.36x = 2,717,004.15 × 1,281,937.77
  4. Step 4: Simplify right side
    1,969,254.36x = 3,483,030,241,131.75
  5. Step 5: Solve for x
    x = 3,483,030,241,131.75/1,969,254.36
  6. Step 6: Final answer
    x = 1,768,705.11

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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.