Finding the Fourth Proportional to 3,438,211.97, 5,158,062.21 and 1,042,237.28
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Solution
The fourth proportional to 3,438,211.97, 5,158,062.21 and 1,042,237.28 is: 1,563,581.52
Step by Step Solution
- Step 1: Write the proportion equation
3,438,211.97 : 5,158,062.21 = 1,042,237.28 : x - Step 2: Convert to fraction form
3,438,211.97/5,158,062.21 = 1,042,237.28/x - Step 3: Cross multiply
3,438,211.97x = 5,158,062.21 × 1,042,237.28 - Step 4: Simplify right side
3,438,211.97x = 5,375,924,702,030.88 - Step 5: Solve for x
x = 5,375,924,702,030.88/3,438,211.97 - Step 6: Final answer
x = 1,563,581.52
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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.