Home / 2,121,336.59-2,928,909.04-1,985,819.13

Finding the Fourth Proportional to 2,121,336.59, 2,928,909.04 and 1,985,819.13

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Solution

The fourth proportional to 2,121,336.59, 2,928,909.04 and 1,985,819.13 is: 2,741,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,336.59 : 2,928,909.04 = 1,985,819.13 : x
  2. Step 2: Convert to fraction form
    2,121,336.59/2,928,909.04 = 1,985,819.13/x
  3. Step 3: Cross multiply
    2,121,336.59x = 2,928,909.04 × 1,985,819.13
  4. Step 4: Simplify right side
    2,121,336.59x = 5,816,283,596,697.39
  5. Step 5: Solve for x
    x = 5,816,283,596,697.39/2,121,336.59
  6. Step 6: Final answer
    x = 2,741,801.39

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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.