Finding the Fourth Proportional to 3,961,778.48, 5,943,519.86 and 1,229,271.09
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Solution
The fourth proportional to 3,961,778.48, 5,943,519.86 and 1,229,271.09 is: 1,844,171.03
Step by Step Solution
- Step 1: Write the proportion equation
3,961,778.48 : 5,943,519.86 = 1,229,271.09 : x - Step 2: Convert to fraction form
3,961,778.48/5,943,519.86 = 1,229,271.09/x - Step 3: Cross multiply
3,961,778.48x = 5,943,519.86 × 1,229,271.09 - Step 4: Simplify right side
3,961,778.48x = 7,306,197,108,304.29 - Step 5: Solve for x
x = 7,306,197,108,304.29/3,961,778.48 - Step 6: Final answer
x = 1,844,171.03
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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.