Finding the Fourth Proportional to 2,960,299.12, 4,085,212.70 and 1,602,172.12
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Solution
The fourth proportional to 2,960,299.12, 4,085,212.70 and 1,602,172.12 is: 2,210,997.48
Step by Step Solution
- Step 1: Write the proportion equation
2,960,299.12 : 4,085,212.70 = 1,602,172.12 : x - Step 2: Convert to fraction form
2,960,299.12/4,085,212.70 = 1,602,172.12/x - Step 3: Cross multiply
2,960,299.12x = 4,085,212.70 × 1,602,172.12 - Step 4: Simplify right side
2,960,299.12x = 6,545,213,892,209.93 - Step 5: Solve for x
x = 6,545,213,892,209.93/2,960,299.12 - Step 6: Final answer
x = 2,210,997.48
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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.