Finding the Fourth Proportional to 5,321,677.68, 7,985,666.28 and 1,958,246.64
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Solution
The fourth proportional to 5,321,677.68, 7,985,666.28 and 1,958,246.64 is: 2,938,528.99
Step by Step Solution
- Step 1: Write the proportion equation
5,321,677.68 : 7,985,666.28 = 1,958,246.64 : x - Step 2: Convert to fraction form
5,321,677.68/7,985,666.28 = 1,958,246.64/x - Step 3: Cross multiply
5,321,677.68x = 7,985,666.28 × 1,958,246.64 - Step 4: Simplify right side
5,321,677.68x = 15,637,904,160,971.30 - Step 5: Solve for x
x = 15,637,904,160,971.30/5,321,677.68 - Step 6: Final answer
x = 2,938,528.99
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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.