Home / 1,888,288.80-2,837,962.80-1,644,986.40

Finding the Fourth Proportional to 1,888,288.80, 2,837,962.80 and 1,644,986.40

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Solution

The fourth proportional to 1,888,288.80, 2,837,962.80 and 1,644,986.40 is: 2,472,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,288.80 : 2,837,962.80 = 1,644,986.40 : x
  2. Step 2: Convert to fraction form
    1,888,288.80/2,837,962.80 = 1,644,986.40/x
  3. Step 3: Cross multiply
    1,888,288.80x = 2,837,962.80 × 1,644,986.40
  4. Step 4: Simplify right side
    1,888,288.80x = 4,668,410,209,705.92
  5. Step 5: Solve for x
    x = 4,668,410,209,705.92/1,888,288.80
  6. Step 6: Final answer
    x = 2,472,296.72

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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.