Home / 2,081,320.40-3,121,980.60-585,412.40

Finding the Fourth Proportional to 2,081,320.40, 3,121,980.60 and 585,412.40

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Solution

The fourth proportional to 2,081,320.40, 3,121,980.60 and 585,412.40 is: 878,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,320.40 : 3,121,980.60 = 585,412.40 : x
  2. Step 2: Convert to fraction form
    2,081,320.40/3,121,980.60 = 585,412.40/x
  3. Step 3: Cross multiply
    2,081,320.40x = 3,121,980.60 × 585,412.40
  4. Step 4: Simplify right side
    2,081,320.40x = 1,827,646,155,799.44
  5. Step 5: Solve for x
    x = 1,827,646,155,799.44/2,081,320.40
  6. Step 6: Final answer
    x = 878,118.60

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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.