Home / 2,161,935.12-2,983,417.47-1,195,040.28

Finding the Fourth Proportional to 2,161,935.12, 2,983,417.47 and 1,195,040.28

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Solution

The fourth proportional to 2,161,935.12, 2,983,417.47 and 1,195,040.28 is: 1,649,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,935.12 : 2,983,417.47 = 1,195,040.28 : x
  2. Step 2: Convert to fraction form
    2,161,935.12/2,983,417.47 = 1,195,040.28/x
  3. Step 3: Cross multiply
    2,161,935.12x = 2,983,417.47 × 1,195,040.28
  4. Step 4: Simplify right side
    2,161,935.12x = 3,565,304,048,705.69
  5. Step 5: Solve for x
    x = 3,565,304,048,705.69/2,161,935.12
  6. Step 6: Final answer
    x = 1,649,126.29

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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.