Finding the Fourth Proportional to 2,335,631.68, 3,223,174.20 and 1,368,569.44
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Solution
The fourth proportional to 2,335,631.68, 3,223,174.20 and 1,368,569.44 is: 1,888,627.28
Step by Step Solution
- Step 1: Write the proportion equation
2,335,631.68 : 3,223,174.20 = 1,368,569.44 : x - Step 2: Convert to fraction form
2,335,631.68/3,223,174.20 = 1,368,569.44/x - Step 3: Cross multiply
2,335,631.68x = 3,223,174.20 × 1,368,569.44 - Step 4: Simplify right side
2,335,631.68x = 4,411,137,709,916.45 - Step 5: Solve for x
x = 4,411,137,709,916.45/2,335,631.68 - Step 6: Final answer
x = 1,888,627.28
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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.