Finding the Fourth Proportional to 1,539,604.81, 2,308,618.68 and 820,356.40
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Solution
The fourth proportional to 1,539,604.81, 2,308,618.68 and 820,356.40 is: 1,230,114.44
Step by Step Solution
- Step 1: Write the proportion equation
1,539,604.81 : 2,308,618.68 = 820,356.40 : x - Step 2: Convert to fraction form
1,539,604.81/2,308,618.68 = 820,356.40/x - Step 3: Cross multiply
1,539,604.81x = 2,308,618.68 × 820,356.40 - Step 4: Simplify right side
1,539,604.81x = 1,893,890,109,297.55 - Step 5: Solve for x
x = 1,893,890,109,297.55/1,539,604.81 - Step 6: Final answer
x = 1,230,114.44
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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.