Finding the Fourth Proportional to 3,602,139.62, 4,971,222.60 and 2,053,438.28
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Solution
The fourth proportional to 3,602,139.62, 4,971,222.60 and 2,053,438.28 is: 2,833,898.70
Step by Step Solution
- Step 1: Write the proportion equation
3,602,139.62 : 4,971,222.60 = 2,053,438.28 : x - Step 2: Convert to fraction form
3,602,139.62/4,971,222.60 = 2,053,438.28/x - Step 3: Cross multiply
3,602,139.62x = 4,971,222.60 × 2,053,438.28 - Step 4: Simplify right side
3,602,139.62x = 10,208,098,785,241.13 - Step 5: Solve for x
x = 10,208,098,785,241.13/3,602,139.62 - Step 6: Final answer
x = 2,833,898.70
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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.