Home / 1,968,386.13-2,716,382.39-1,108,959.93

Finding the Fourth Proportional to 1,968,386.13, 2,716,382.39 and 1,108,959.93

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Solution

The fourth proportional to 1,968,386.13, 2,716,382.39 and 1,108,959.93 is: 1,530,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,386.13 : 2,716,382.39 = 1,108,959.93 : x
  2. Step 2: Convert to fraction form
    1,968,386.13/2,716,382.39 = 1,108,959.93/x
  3. Step 3: Cross multiply
    1,968,386.13x = 2,716,382.39 × 1,108,959.93
  4. Step 4: Simplify right side
    1,968,386.13x = 3,012,359,219,522.83
  5. Step 5: Solve for x
    x = 3,012,359,219,522.83/1,968,386.13
  6. Step 6: Final answer
    x = 1,530,370.07

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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.