Home / 1,626,988.32-2,246,138.01-1,111,517.28

Finding the Fourth Proportional to 1,626,988.32, 2,246,138.01 and 1,111,517.28

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Solution

The fourth proportional to 1,626,988.32, 2,246,138.01 and 1,111,517.28 is: 1,534,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,988.32 : 2,246,138.01 = 1,111,517.28 : x
  2. Step 2: Convert to fraction form
    1,626,988.32/2,246,138.01 = 1,111,517.28/x
  3. Step 3: Cross multiply
    1,626,988.32x = 2,246,138.01 × 1,111,517.28
  4. Step 4: Simplify right side
    1,626,988.32x = 2,496,621,211,379.81
  5. Step 5: Solve for x
    x = 2,496,621,211,379.81/1,626,988.32
  6. Step 6: Final answer
    x = 1,534,504.69

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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.