Finding the Fourth Proportional to 3,221,713.85, 4,445,845.54 and 1,771,322.99
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Solution
The fourth proportional to 3,221,713.85, 4,445,845.54 and 1,771,322.99 is: 2,444,359.98
Step by Step Solution
- Step 1: Write the proportion equation
3,221,713.85 : 4,445,845.54 = 1,771,322.99 : x - Step 2: Convert to fraction form
3,221,713.85/4,445,845.54 = 1,771,322.99/x - Step 3: Cross multiply
3,221,713.85x = 4,445,845.54 × 1,771,322.99 - Step 4: Simplify right side
3,221,713.85x = 7,875,028,388,333.43 - Step 5: Solve for x
x = 7,875,028,388,333.43/3,221,713.85 - Step 6: Final answer
x = 2,444,359.98
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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.