Finding the Fourth Proportional to 1,571,081.97, 2,357,656.31 and 861,608.23
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Solution
The fourth proportional to 1,571,081.97, 2,357,656.31 and 861,608.23 is: 1,292,979.05
Step by Step Solution
- Step 1: Write the proportion equation
1,571,081.97 : 2,357,656.31 = 861,608.23 : x - Step 2: Convert to fraction form
1,571,081.97/2,357,656.31 = 861,608.23/x - Step 3: Cross multiply
1,571,081.97x = 2,357,656.31 × 861,608.23 - Step 4: Simplify right side
1,571,081.97x = 2,031,376,080,207.43 - Step 5: Solve for x
x = 2,031,376,080,207.43/1,571,081.97 - Step 6: Final answer
x = 1,292,979.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.