Finding the Fourth Proportional to 1,988,079.03, 2,743,771.74 and 1,203,577.35
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Solution
The fourth proportional to 1,988,079.03, 2,743,771.74 and 1,203,577.35 is: 1,661,071.56
Step by Step Solution
- Step 1: Write the proportion equation
1,988,079.03 : 2,743,771.74 = 1,203,577.35 : x - Step 2: Convert to fraction form
1,988,079.03/2,743,771.74 = 1,203,577.35/x - Step 3: Cross multiply
1,988,079.03x = 2,743,771.74 × 1,203,577.35 - Step 4: Simplify right side
1,988,079.03x = 3,302,341,523,377.08 - Step 5: Solve for x
x = 3,302,341,523,377.08/1,988,079.03 - Step 6: Final answer
x = 1,661,071.56
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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.