Home / 1,995,902.02-2,754,345.80-1,078,131.11

Finding the Fourth Proportional to 1,995,902.02, 2,754,345.80 and 1,078,131.11

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Solution

The fourth proportional to 1,995,902.02, 2,754,345.80 and 1,078,131.11 is: 1,487,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,902.02 : 2,754,345.80 = 1,078,131.11 : x
  2. Step 2: Convert to fraction form
    1,995,902.02/2,754,345.80 = 1,078,131.11/x
  3. Step 3: Cross multiply
    1,995,902.02x = 2,754,345.80 × 1,078,131.11
  4. Step 4: Simplify right side
    1,995,902.02x = 2,969,545,889,287.18
  5. Step 5: Solve for x
    x = 2,969,545,889,287.18/1,995,902.02
  6. Step 6: Final answer
    x = 1,487,821.48

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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.