Home / 1,790,215.60-2,685,323.40-1,720,231.60

Finding the Fourth Proportional to 1,790,215.60, 2,685,323.40 and 1,720,231.60

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Solution

The fourth proportional to 1,790,215.60, 2,685,323.40 and 1,720,231.60 is: 2,580,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,215.60 : 2,685,323.40 = 1,720,231.60 : x
  2. Step 2: Convert to fraction form
    1,790,215.60/2,685,323.40 = 1,720,231.60/x
  3. Step 3: Cross multiply
    1,790,215.60x = 2,685,323.40 × 1,720,231.60
  4. Step 4: Simplify right side
    1,790,215.60x = 4,619,378,168,899.44
  5. Step 5: Solve for x
    x = 4,619,378,168,899.44/1,790,215.60
  6. Step 6: Final answer
    x = 2,580,347.40

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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.