Home / 2,205,643.80-3,308,465.70-2,112,331.80

Finding the Fourth Proportional to 2,205,643.80, 3,308,465.70 and 2,112,331.80

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Solution

The fourth proportional to 2,205,643.80, 3,308,465.70 and 2,112,331.80 is: 3,168,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,643.80 : 3,308,465.70 = 2,112,331.80 : x
  2. Step 2: Convert to fraction form
    2,205,643.80/3,308,465.70 = 2,112,331.80/x
  3. Step 3: Cross multiply
    2,205,643.80x = 3,308,465.70 × 2,112,331.80
  4. Step 4: Simplify right side
    2,205,643.80x = 6,988,577,307,319.26
  5. Step 5: Solve for x
    x = 6,988,577,307,319.26/2,205,643.80
  6. Step 6: Final answer
    x = 3,168,497.70

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1.5x scale

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.