Home / 1,999,219.93-2,758,915.49-1,081,448.01

Finding the Fourth Proportional to 1,999,219.93, 2,758,915.49 and 1,081,448.01

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Solution

The fourth proportional to 1,999,219.93, 2,758,915.49 and 1,081,448.01 is: 1,492,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,219.93 : 2,758,915.49 = 1,081,448.01 : x
  2. Step 2: Convert to fraction form
    1,999,219.93/2,758,915.49 = 1,081,448.01/x
  3. Step 3: Cross multiply
    1,999,219.93x = 2,758,915.49 × 1,081,448.01
  4. Step 4: Simplify right side
    1,999,219.93x = 2,983,623,661,011.43
  5. Step 5: Solve for x
    x = 2,983,623,661,011.43/1,999,219.93
  6. Step 6: Final answer
    x = 1,492,393.92

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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.