Home / 1,979,201.80-2,968,802.70-1,181,384.20

Finding the Fourth Proportional to 1,979,201.80, 2,968,802.70 and 1,181,384.20

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Solution

The fourth proportional to 1,979,201.80, 2,968,802.70 and 1,181,384.20 is: 1,772,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,201.80 : 2,968,802.70 = 1,181,384.20 : x
  2. Step 2: Convert to fraction form
    1,979,201.80/2,968,802.70 = 1,181,384.20/x
  3. Step 3: Cross multiply
    1,979,201.80x = 2,968,802.70 × 1,181,384.20
  4. Step 4: Simplify right side
    1,979,201.80x = 3,507,296,602,697.34
  5. Step 5: Solve for x
    x = 3,507,296,602,697.34/1,979,201.80
  6. Step 6: Final answer
    x = 1,772,076.30

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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.