Home / 1,874,661.57-2,587,712.27-1,230,290.37

Finding the Fourth Proportional to 1,874,661.57, 2,587,712.27 and 1,230,290.37

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Solution

The fourth proportional to 1,874,661.57, 2,587,712.27 and 1,230,290.37 is: 1,698,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,661.57 : 2,587,712.27 = 1,230,290.37 : x
  2. Step 2: Convert to fraction form
    1,874,661.57/2,587,712.27 = 1,230,290.37/x
  3. Step 3: Cross multiply
    1,874,661.57x = 2,587,712.27 × 1,230,290.37
  4. Step 4: Simplify right side
    1,874,661.57x = 3,183,637,486,111.84
  5. Step 5: Solve for x
    x = 3,183,637,486,111.84/1,874,661.57
  6. Step 6: Final answer
    x = 1,698,246.52

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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.