Home / 1,876,820.56-2,810,684.63-1,298,824.23

Finding the Fourth Proportional to 1,876,820.56, 2,810,684.63 and 1,298,824.23

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Solution

The fourth proportional to 1,876,820.56, 2,810,684.63 and 1,298,824.23 is: 1,945,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,820.56 : 2,810,684.63 = 1,298,824.23 : x
  2. Step 2: Convert to fraction form
    1,876,820.56/2,810,684.63 = 1,298,824.23/x
  3. Step 3: Cross multiply
    1,876,820.56x = 2,810,684.63 × 1,298,824.23
  4. Step 4: Simplify right side
    1,876,820.56x = 3,650,585,303,579.65
  5. Step 5: Solve for x
    x = 3,650,585,303,579.65/1,876,820.56
  6. Step 6: Final answer
    x = 1,945,090.21

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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.