Home / 1,902,303.06-2,622,882.69-1,643,712.66

Finding the Fourth Proportional to 1,902,303.06, 2,622,882.69 and 1,643,712.66

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Solution

The fourth proportional to 1,902,303.06, 2,622,882.69 and 1,643,712.66 is: 2,266,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,303.06 : 2,622,882.69 = 1,643,712.66 : x
  2. Step 2: Convert to fraction form
    1,902,303.06/2,622,882.69 = 1,643,712.66/x
  3. Step 3: Cross multiply
    1,902,303.06x = 2,622,882.69 × 1,643,712.66
  4. Step 4: Simplify right side
    1,902,303.06x = 4,311,265,483,247.86
  5. Step 5: Solve for x
    x = 4,311,265,483,247.86/1,902,303.06
  6. Step 6: Final answer
    x = 2,266,339.98

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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.