Finding the Fourth Proportional to 2,953,619.10, 4,430,428.65 and 2,207,123.10
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Solution
The fourth proportional to 2,953,619.10, 4,430,428.65 and 2,207,123.10 is: 3,310,684.65
Step by Step Solution
- Step 1: Write the proportion equation
2,953,619.10 : 4,430,428.65 = 2,207,123.10 : x - Step 2: Convert to fraction form
2,953,619.10/4,430,428.65 = 2,207,123.10/x - Step 3: Cross multiply
2,953,619.10x = 4,430,428.65 × 2,207,123.10 - Step 4: Simplify right side
2,953,619.10x = 9,778,501,416,316.82 - Step 5: Solve for x
x = 9,778,501,416,316.82/2,953,619.10 - Step 6: Final answer
x = 3,310,684.65
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.