Home / 1,911,686.58-2,636,784.02-1,258,104.38

Finding the Fourth Proportional to 1,911,686.58, 2,636,784.02 and 1,258,104.38

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Solution

The fourth proportional to 1,911,686.58, 2,636,784.02 and 1,258,104.38 is: 1,735,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,686.58 : 2,636,784.02 = 1,258,104.38 : x
  2. Step 2: Convert to fraction form
    1,911,686.58/2,636,784.02 = 1,258,104.38/x
  3. Step 3: Cross multiply
    1,911,686.58x = 2,636,784.02 × 1,258,104.38
  4. Step 4: Simplify right side
    1,911,686.58x = 3,317,349,505,201.57
  5. Step 5: Solve for x
    x = 3,317,349,505,201.57/1,911,686.58
  6. Step 6: Final answer
    x = 1,735,299.89

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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.