Finding the Fourth Proportional to 4,213,683.36, 5,814,841.64 and 2,279,901.51
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Solution
The fourth proportional to 4,213,683.36, 5,814,841.64 and 2,279,901.51 is: 3,146,241.68
Step by Step Solution
- Step 1: Write the proportion equation
4,213,683.36 : 5,814,841.64 = 2,279,901.51 : x - Step 2: Convert to fraction form
4,213,683.36/5,814,841.64 = 2,279,901.51/x - Step 3: Cross multiply
4,213,683.36x = 5,814,841.64 × 2,279,901.51 - Step 4: Simplify right side
4,213,683.36x = 13,257,266,224,047.37 - Step 5: Solve for x
x = 13,257,266,224,047.37/4,213,683.36 - Step 6: Final answer
x = 3,146,241.68
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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.