Finding the Fourth Proportional to 7,811,101.59, 11,717,761.55 and 2,420,175.75
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Solution
The fourth proportional to 7,811,101.59, 11,717,761.55 and 2,420,175.75 is: 3,630,607.28
Step by Step Solution
- Step 1: Write the proportion equation
7,811,101.59 : 11,717,761.55 = 2,420,175.75 : x - Step 2: Convert to fraction form
7,811,101.59/11,717,761.55 = 2,420,175.75/x - Step 3: Cross multiply
7,811,101.59x = 11,717,761.55 × 2,420,175.75 - Step 4: Simplify right side
7,811,101.59x = 28,359,042,335,491.54 - Step 5: Solve for x
x = 28,359,042,335,491.54/7,811,101.59 - Step 6: Final answer
x = 3,630,607.28
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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.