Finding the Fourth Proportional to 1,670,178.72, 2,505,580.16 and 759,428.08
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Solution
The fourth proportional to 1,670,178.72, 2,505,580.16 and 759,428.08 is: 1,139,284.02
Step by Step Solution
- Step 1: Write the proportion equation
1,670,178.72 : 2,505,580.16 = 759,428.08 : x - Step 2: Convert to fraction form
1,670,178.72/2,505,580.16 = 759,428.08/x - Step 3: Cross multiply
1,670,178.72x = 2,505,580.16 × 759,428.08 - Step 4: Simplify right side
1,670,178.72x = 1,902,807,930,194.89 - Step 5: Solve for x
x = 1,902,807,930,194.89/1,670,178.72 - Step 6: Final answer
x = 1,139,284.02
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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.