Home / 1,879,120.56-2,592,101.88-1,199,290.80

Finding the Fourth Proportional to 1,879,120.56, 2,592,101.88 and 1,199,290.80

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Solution

The fourth proportional to 1,879,120.56, 2,592,101.88 and 1,199,290.80 is: 1,654,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,120.56 : 2,592,101.88 = 1,199,290.80 : x
  2. Step 2: Convert to fraction form
    1,879,120.56/2,592,101.88 = 1,199,290.80/x
  3. Step 3: Cross multiply
    1,879,120.56x = 2,592,101.88 × 1,199,290.80
  4. Step 4: Simplify right side
    1,879,120.56x = 3,108,683,937,346.70
  5. Step 5: Solve for x
    x = 3,108,683,937,346.70/1,879,120.56
  6. Step 6: Final answer
    x = 1,654,329.16

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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.