Finding the Fourth Proportional to 3,850,583.85, 5,313,595.05 and 2,107,916.19
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Solution
The fourth proportional to 3,850,583.85, 5,313,595.05 and 2,107,916.19 is: 2,908,809.02
Step by Step Solution
- Step 1: Write the proportion equation
3,850,583.85 : 5,313,595.05 = 2,107,916.19 : x - Step 2: Convert to fraction form
3,850,583.85/5,313,595.05 = 2,107,916.19/x - Step 3: Cross multiply
3,850,583.85x = 5,313,595.05 × 2,107,916.19 - Step 4: Simplify right side
3,850,583.85x = 11,200,613,032,998.86 - Step 5: Solve for x
x = 11,200,613,032,998.86/3,850,583.85 - Step 6: Final answer
x = 2,908,809.02
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1.5x scale
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.