Finding the Fourth Proportional to 3,658,641.92, 5,461,861.54 and 3,415,507.08
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Solution
The fourth proportional to 3,658,641.92, 5,461,861.54 and 3,415,507.08 is: 5,098,893.84
Step by Step Solution
- Step 1: Write the proportion equation
3,658,641.92 : 5,461,861.54 = 3,415,507.08 : x - Step 2: Convert to fraction form
3,658,641.92/5,461,861.54 = 3,415,507.08/x - Step 3: Cross multiply
3,658,641.92x = 5,461,861.54 × 3,415,507.08 - Step 4: Simplify right side
3,658,641.92x = 18,655,026,759,849.70 - Step 5: Solve for x
x = 18,655,026,759,849.70/3,658,641.92 - Step 6: Final answer
x = 5,098,893.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.