Finding the Fourth Proportional to 4,096,875.20, 6,145,312.80 and 2,207,307.20
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Solution
The fourth proportional to 4,096,875.20, 6,145,312.80 and 2,207,307.20 is: 3,310,960.80
Step by Step Solution
- Step 1: Write the proportion equation
4,096,875.20 : 6,145,312.80 = 2,207,307.20 : x - Step 2: Convert to fraction form
4,096,875.20/6,145,312.80 = 2,207,307.20/x - Step 3: Cross multiply
4,096,875.20x = 6,145,312.80 × 2,207,307.20 - Step 4: Simplify right side
4,096,875.20x = 13,564,593,189,692.16 - Step 5: Solve for x
x = 13,564,593,189,692.16/4,096,875.20 - Step 6: Final answer
x = 3,310,960.80
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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.