Finding the Fourth Proportional to 3,114,502.64, 4,298,116.70 and 1,807,656.68
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Solution
The fourth proportional to 3,114,502.64, 4,298,116.70 and 1,807,656.68 is: 2,494,626.03
Step by Step Solution
- Step 1: Write the proportion equation
3,114,502.64 : 4,298,116.70 = 1,807,656.68 : x - Step 2: Convert to fraction form
3,114,502.64/4,298,116.70 = 1,807,656.68/x - Step 3: Cross multiply
3,114,502.64x = 4,298,116.70 × 1,807,656.68 - Step 4: Simplify right side
3,114,502.64x = 7,769,519,364,174.56 - Step 5: Solve for x
x = 7,769,519,364,174.56/3,114,502.64 - Step 6: Final answer
x = 2,494,626.03
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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.