Home / 1,589,443.07-2,199,207.42-1,385,918.10

Finding the Fourth Proportional to 1,589,443.07, 2,199,207.42 and 1,385,918.10

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Solution

The fourth proportional to 1,589,443.07, 2,199,207.42 and 1,385,918.10 is: 1,917,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,443.07 : 2,199,207.42 = 1,385,918.10 : x
  2. Step 2: Convert to fraction form
    1,589,443.07/2,199,207.42 = 1,385,918.10/x
  3. Step 3: Cross multiply
    1,589,443.07x = 2,199,207.42 × 1,385,918.10
  4. Step 4: Simplify right side
    1,589,443.07x = 3,047,921,369,032.30
  5. Step 5: Solve for x
    x = 3,047,921,369,032.30/1,589,443.07
  6. Step 6: Final answer
    x = 1,917,603.36

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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.