Home / 1,954,273.80-2,931,410.70-1,282,427.40

Finding the Fourth Proportional to 1,954,273.80, 2,931,410.70 and 1,282,427.40

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Solution

The fourth proportional to 1,954,273.80, 2,931,410.70 and 1,282,427.40 is: 1,923,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,273.80 : 2,931,410.70 = 1,282,427.40 : x
  2. Step 2: Convert to fraction form
    1,954,273.80/2,931,410.70 = 1,282,427.40/x
  3. Step 3: Cross multiply
    1,954,273.80x = 2,931,410.70 × 1,282,427.40
  4. Step 4: Simplify right side
    1,954,273.80x = 3,759,321,402,333.18
  5. Step 5: Solve for x
    x = 3,759,321,402,333.18/1,954,273.80
  6. Step 6: Final answer
    x = 1,923,641.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.