Finding the Fourth Proportional to 1,972,801.68, 2,722,309.56 and 1,208,750.64
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Solution
The fourth proportional to 1,972,801.68, 2,722,309.56 and 1,208,750.64 is: 1,667,979.84
Step by Step Solution
- Step 1: Write the proportion equation
1,972,801.68 : 2,722,309.56 = 1,208,750.64 : x - Step 2: Convert to fraction form
1,972,801.68/2,722,309.56 = 1,208,750.64/x - Step 3: Cross multiply
1,972,801.68x = 2,722,309.56 × 1,208,750.64 - Step 4: Simplify right side
1,972,801.68x = 3,290,593,422,928.12 - Step 5: Solve for x
x = 3,290,593,422,928.12/1,972,801.68 - Step 6: Final answer
x = 1,667,979.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.