Finding the Fourth Proportional to 3,720,815.19, 5,135,928.71 and 2,411,757.32
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Solution
The fourth proportional to 3,720,815.19, 5,135,928.71 and 2,411,757.32 is: 3,329,005.34
Step by Step Solution
- Step 1: Write the proportion equation
3,720,815.19 : 5,135,928.71 = 2,411,757.32 : x - Step 2: Convert to fraction form
3,720,815.19/5,135,928.71 = 2,411,757.32/x - Step 3: Cross multiply
3,720,815.19x = 5,135,928.71 × 2,411,757.32 - Step 4: Simplify right side
3,720,815.19x = 12,386,613,623,602.23 - Step 5: Solve for x
x = 12,386,613,623,602.23/3,720,815.19 - Step 6: Final answer
x = 3,329,005.34
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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.