Home / 1,888,894.80-2,833,342.20-1,217,048.40

Finding the Fourth Proportional to 1,888,894.80, 2,833,342.20 and 1,217,048.40

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Solution

The fourth proportional to 1,888,894.80, 2,833,342.20 and 1,217,048.40 is: 1,825,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,894.80 : 2,833,342.20 = 1,217,048.40 : x
  2. Step 2: Convert to fraction form
    1,888,894.80/2,833,342.20 = 1,217,048.40/x
  3. Step 3: Cross multiply
    1,888,894.80x = 2,833,342.20 × 1,217,048.40
  4. Step 4: Simplify right side
    1,888,894.80x = 3,448,314,591,162.48
  5. Step 5: Solve for x
    x = 3,448,314,591,162.48/1,888,894.80
  6. Step 6: Final answer
    x = 1,825,572.60

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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.