Home / 1,869,904.90-2,805,003.15-804,981.70

Finding the Fourth Proportional to 1,869,904.90, 2,805,003.15 and 804,981.70

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Solution

The fourth proportional to 1,869,904.90, 2,805,003.15 and 804,981.70 is: 1,207,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,904.90 : 2,805,003.15 = 804,981.70 : x
  2. Step 2: Convert to fraction form
    1,869,904.90/2,805,003.15 = 804,981.70/x
  3. Step 3: Cross multiply
    1,869,904.90x = 2,805,003.15 × 804,981.70
  4. Step 4: Simplify right side
    1,869,904.90x = 2,257,976,204,192.36
  5. Step 5: Solve for x
    x = 2,257,976,204,192.36/1,869,904.90
  6. Step 6: Final answer
    x = 1,207,535.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.