Home / 1,916,868.07-2,645,188.80-1,100,497.18

Finding the Fourth Proportional to 1,916,868.07, 2,645,188.80 and 1,100,497.18

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Solution

The fourth proportional to 1,916,868.07, 2,645,188.80 and 1,100,497.18 is: 1,518,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,868.07 : 2,645,188.80 = 1,100,497.18 : x
  2. Step 2: Convert to fraction form
    1,916,868.07/2,645,188.80 = 1,100,497.18/x
  3. Step 3: Cross multiply
    1,916,868.07x = 2,645,188.80 × 1,100,497.18
  4. Step 4: Simplify right side
    1,916,868.07x = 2,911,022,814,967.58
  5. Step 5: Solve for x
    x = 2,911,022,814,967.58/1,916,868.07
  6. Step 6: Final answer
    x = 1,518,634.93

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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.