Finding the Fourth Proportional to 1,988,440.08, 2,743,174.44 and 1,343,625.36
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Solution
The fourth proportional to 1,988,440.08, 2,743,174.44 and 1,343,625.36 is: 1,853,613.18
Step by Step Solution
- Step 1: Write the proportion equation
1,988,440.08 : 2,743,174.44 = 1,343,625.36 : x - Step 2: Convert to fraction form
1,988,440.08/2,743,174.44 = 1,343,625.36/x - Step 3: Cross multiply
1,988,440.08x = 2,743,174.44 × 1,343,625.36 - Step 4: Simplify right side
1,988,440.08x = 3,685,798,744,487.80 - Step 5: Solve for x
x = 3,685,798,744,487.80/1,988,440.08 - Step 6: Final answer
x = 1,853,613.18
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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.