Home / 1,911,796.51-2,636,935.27-1,258,214.26

Finding the Fourth Proportional to 1,911,796.51, 2,636,935.27 and 1,258,214.26

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Solution

The fourth proportional to 1,911,796.51, 2,636,935.27 and 1,258,214.26 is: 1,735,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,796.51 : 2,636,935.27 = 1,258,214.26 : x
  2. Step 2: Convert to fraction form
    1,911,796.51/2,636,935.27 = 1,258,214.26/x
  3. Step 3: Cross multiply
    1,911,796.51x = 2,636,935.27 × 1,258,214.26
  4. Step 4: Simplify right side
    1,911,796.51x = 3,317,829,559,410.95
  5. Step 5: Solve for x
    x = 3,317,829,559,410.95/1,911,796.51
  6. Step 6: Final answer
    x = 1,735,451.21

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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.