Home / 1,820,840.80-2,731,261.20-622,802.20

Finding the Fourth Proportional to 1,820,840.80, 2,731,261.20 and 622,802.20

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Solution

The fourth proportional to 1,820,840.80, 2,731,261.20 and 622,802.20 is: 934,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,840.80 : 2,731,261.20 = 622,802.20 : x
  2. Step 2: Convert to fraction form
    1,820,840.80/2,731,261.20 = 622,802.20/x
  3. Step 3: Cross multiply
    1,820,840.80x = 2,731,261.20 × 622,802.20
  4. Step 4: Simplify right side
    1,820,840.80x = 1,701,035,484,134.64
  5. Step 5: Solve for x
    x = 1,701,035,484,134.64/1,820,840.80
  6. Step 6: Final answer
    x = 934,203.30

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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.