Finding the Fourth Proportional to 1,662,387.02, 2,489,971.97 and 1,020,743.09
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Solution
The fourth proportional to 1,662,387.02, 2,489,971.97 and 1,020,743.09 is: 1,528,898.89
Step by Step Solution
- Step 1: Write the proportion equation
1,662,387.02 : 2,489,971.97 = 1,020,743.09 : x - Step 2: Convert to fraction form
1,662,387.02/2,489,971.97 = 1,020,743.09/x - Step 3: Cross multiply
1,662,387.02x = 2,489,971.97 × 1,020,743.09 - Step 4: Simplify right side
1,662,387.02x = 2,541,621,665,117.61 - Step 5: Solve for x
x = 2,541,621,665,117.61/1,662,387.02 - Step 6: Final answer
x = 1,528,898.89
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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.