Home / 1,820,969.02-2,512,923.06-1,005,172.95

Finding the Fourth Proportional to 1,820,969.02, 2,512,923.06 and 1,005,172.95

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Solution

The fourth proportional to 1,820,969.02, 2,512,923.06 and 1,005,172.95 is: 1,387,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,969.02 : 2,512,923.06 = 1,005,172.95 : x
  2. Step 2: Convert to fraction form
    1,820,969.02/2,512,923.06 = 1,005,172.95/x
  3. Step 3: Cross multiply
    1,820,969.02x = 2,512,923.06 × 1,005,172.95
  4. Step 4: Simplify right side
    1,820,969.02x = 2,525,922,285,343.23
  5. Step 5: Solve for x
    x = 2,525,922,285,343.23/1,820,969.02
  6. Step 6: Final answer
    x = 1,387,130.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.