Home / 1,911,615.80-2,636,686.73-1,258,033.58

Finding the Fourth Proportional to 1,911,615.80, 2,636,686.73 and 1,258,033.58

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Solution

The fourth proportional to 1,911,615.80, 2,636,686.73 and 1,258,033.58 is: 1,735,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,615.80 : 2,636,686.73 = 1,258,033.58 : x
  2. Step 2: Convert to fraction form
    1,911,615.80/2,636,686.73 = 1,258,033.58/x
  3. Step 3: Cross multiply
    1,911,615.80x = 2,636,686.73 × 1,258,033.58
  4. Step 4: Simplify right side
    1,911,615.80x = 3,317,040,439,990.23
  5. Step 5: Solve for x
    x = 3,317,040,439,990.23/1,911,615.80
  6. Step 6: Final answer
    x = 1,735,202.46

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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.