Home / 1,914,447-2,641,954.20-1,055,038.08

Finding the Fourth Proportional to 1,914,447, 2,641,954.20 and 1,055,038.08

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Solution

The fourth proportional to 1,914,447, 2,641,954.20 and 1,055,038.08 is: 1,455,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,447 : 2,641,954.20 = 1,055,038.08 : x
  2. Step 2: Convert to fraction form
    1,914,447/2,641,954.20 = 1,055,038.08/x
  3. Step 3: Cross multiply
    1,914,447x = 2,641,954.20 × 1,055,038.08
  4. Step 4: Simplify right side
    1,914,447x = 2,787,362,286,615.94
  5. Step 5: Solve for x
    x = 2,787,362,286,615.94/1,914,447
  6. Step 6: Final answer
    x = 1,455,962.11

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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.