Finding the Fourth Proportional to 1,379,807.19, 2,069,814.60 and 368,906.94
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Solution
The fourth proportional to 1,379,807.19, 2,069,814.60 and 368,906.94 is: 553,388.17
Step by Step Solution
- Step 1: Write the proportion equation
1,379,807.19 : 2,069,814.60 = 368,906.94 : x - Step 2: Convert to fraction form
1,379,807.19/2,069,814.60 = 368,906.94/x - Step 3: Cross multiply
1,379,807.19x = 2,069,814.60 × 368,906.94 - Step 4: Simplify right side
1,379,807.19x = 763,568,970,453.32 - Step 5: Solve for x
x = 763,568,970,453.32/1,379,807.19 - Step 6: Final answer
x = 553,388.17
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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.