Finding the Fourth Proportional to 5,742,791.09, 7,925,052.45 and 3,129,295.61
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Solution
The fourth proportional to 5,742,791.09, 7,925,052.45 and 3,129,295.61 is: 4,318,428.35
Step by Step Solution
- Step 1: Write the proportion equation
5,742,791.09 : 7,925,052.45 = 3,129,295.61 : x - Step 2: Convert to fraction form
5,742,791.09/7,925,052.45 = 3,129,295.61/x - Step 3: Cross multiply
5,742,791.09x = 7,925,052.45 × 3,129,295.61 - Step 4: Simplify right side
5,742,791.09x = 24,799,831,801,179.48 - Step 5: Solve for x
x = 24,799,831,801,179.48/5,742,791.09 - Step 6: Final answer
x = 4,318,428.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.