Finding the Fourth Proportional to 7,713,639.72, 11,570,330.79 and 1,877,886.99
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Solution
The fourth proportional to 7,713,639.72, 11,570,330.79 and 1,877,886.99 is: 2,816,799.13
Step by Step Solution
- Step 1: Write the proportion equation
7,713,639.72 : 11,570,330.79 = 1,877,886.99 : x - Step 2: Convert to fraction form
7,713,639.72/11,570,330.79 = 1,877,886.99/x - Step 3: Cross multiply
7,713,639.72x = 11,570,330.79 × 1,877,886.99 - Step 4: Simplify right side
7,713,639.72x = 21,727,773,660,537.42 - Step 5: Solve for x
x = 21,727,773,660,537.42/7,713,639.72 - Step 6: Final answer
x = 2,816,799.13
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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.