Home / 1,636,855.83-2,258,974.62-992,303.19

Finding the Fourth Proportional to 1,636,855.83, 2,258,974.62 and 992,303.19

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Solution

The fourth proportional to 1,636,855.83, 2,258,974.62 and 992,303.19 is: 1,369,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,855.83 : 2,258,974.62 = 992,303.19 : x
  2. Step 2: Convert to fraction form
    1,636,855.83/2,258,974.62 = 992,303.19/x
  3. Step 3: Cross multiply
    1,636,855.83x = 2,258,974.62 × 992,303.19
  4. Step 4: Simplify right side
    1,636,855.83x = 2,241,587,721,555.04
  5. Step 5: Solve for x
    x = 2,241,587,721,555.04/1,636,855.83
  6. Step 6: Final answer
    x = 1,369,447.25

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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.