Finding the Fourth Proportional to 4,179,502.92, 5,767,378.08 and 2,318,978.28
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Solution
The fourth proportional to 4,179,502.92, 5,767,378.08 and 2,318,978.28 is: 3,200,003.63
Step by Step Solution
- Step 1: Write the proportion equation
4,179,502.92 : 5,767,378.08 = 2,318,978.28 : x - Step 2: Convert to fraction form
4,179,502.92/5,767,378.08 = 2,318,978.28/x - Step 3: Cross multiply
4,179,502.92x = 5,767,378.08 × 2,318,978.28 - Step 4: Simplify right side
4,179,502.92x = 13,374,424,500,068.10 - Step 5: Solve for x
x = 13,374,424,500,068.10/4,179,502.92 - Step 6: Final answer
x = 3,200,003.63
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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.