Home / 2,080,138.80-2,871,925.56-1,699,080.24

Finding the Fourth Proportional to 2,080,138.80, 2,871,925.56 and 1,699,080.24

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Solution

The fourth proportional to 2,080,138.80, 2,871,925.56 and 1,699,080.24 is: 2,345,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,138.80 : 2,871,925.56 = 1,699,080.24 : x
  2. Step 2: Convert to fraction form
    2,080,138.80/2,871,925.56 = 1,699,080.24/x
  3. Step 3: Cross multiply
    2,080,138.80x = 2,871,925.56 × 1,699,080.24
  4. Step 4: Simplify right side
    2,080,138.80x = 4,879,631,969,746.93
  5. Step 5: Solve for x
    x = 4,879,631,969,746.93/2,080,138.80
  6. Step 6: Final answer
    x = 2,345,820.37

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1.5x scale

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.