Home / 1,790,205.60-2,685,308.40-1,720,221.60

Finding the Fourth Proportional to 1,790,205.60, 2,685,308.40 and 1,720,221.60

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Solution

The fourth proportional to 1,790,205.60, 2,685,308.40 and 1,720,221.60 is: 2,580,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,205.60 : 2,685,308.40 = 1,720,221.60 : x
  2. Step 2: Convert to fraction form
    1,790,205.60/2,685,308.40 = 1,720,221.60/x
  3. Step 3: Cross multiply
    1,790,205.60x = 2,685,308.40 × 1,720,221.60
  4. Step 4: Simplify right side
    1,790,205.60x = 4,619,325,512,341.44
  5. Step 5: Solve for x
    x = 4,619,325,512,341.44/1,790,205.60
  6. Step 6: Final answer
    x = 2,580,332.40

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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.