Home / 2,128,970-3,194,331.96-1,563,240.08

Finding the Fourth Proportional to 2,128,970, 3,194,331.96 and 1,563,240.08

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Solution

The fourth proportional to 2,128,970, 3,194,331.96 and 1,563,240.08 is: 2,345,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,970 : 3,194,331.96 = 1,563,240.08 : x
  2. Step 2: Convert to fraction form
    2,128,970/3,194,331.96 = 1,563,240.08/x
  3. Step 3: Cross multiply
    2,128,970x = 3,194,331.96 × 1,563,240.08
  4. Step 4: Simplify right side
    2,128,970x = 4,993,507,748,696.96
  5. Step 5: Solve for x
    x = 4,993,507,748,696.96/2,128,970
  6. Step 6: Final answer
    x = 2,345,504.05

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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.