Finding the Fourth Proportional to 1,811,456.90, 2,717,513.40 and 910,631.60
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Solution
The fourth proportional to 1,811,456.90, 2,717,513.40 and 910,631.60 is: 1,366,112.31
Step by Step Solution
- Step 1: Write the proportion equation
1,811,456.90 : 2,717,513.40 = 910,631.60 : x - Step 2: Convert to fraction form
1,811,456.90/2,717,513.40 = 910,631.60/x - Step 3: Cross multiply
1,811,456.90x = 2,717,513.40 × 910,631.60 - Step 4: Simplify right side
1,811,456.90x = 2,474,653,575,463.44 - Step 5: Solve for x
x = 2,474,653,575,463.44/1,811,456.90 - Step 6: Final answer
x = 1,366,112.31
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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.