Finding the Fourth Proportional to 7,418,844.21, 11,129,020.83 and 2,560,518.48
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Solution
The fourth proportional to 7,418,844.21, 11,129,020.83 and 2,560,518.48 is: 3,841,038.13
Step by Step Solution
- Step 1: Write the proportion equation
7,418,844.21 : 11,129,020.83 = 2,560,518.48 : x - Step 2: Convert to fraction form
7,418,844.21/11,129,020.83 = 2,560,518.48/x - Step 3: Cross multiply
7,418,844.21x = 11,129,020.83 × 2,560,518.48 - Step 4: Simplify right side
7,418,844.21x = 28,496,063,499,519.94 - Step 5: Solve for x
x = 28,496,063,499,519.94/7,418,844.21 - Step 6: Final answer
x = 3,841,038.13
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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.