Finding the Fourth Proportional to 4,090,130.10, 6,135,195.15 and 1,211,600.70
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Solution
The fourth proportional to 4,090,130.10, 6,135,195.15 and 1,211,600.70 is: 1,817,401.05
Step by Step Solution
- Step 1: Write the proportion equation
4,090,130.10 : 6,135,195.15 = 1,211,600.70 : x - Step 2: Convert to fraction form
4,090,130.10/6,135,195.15 = 1,211,600.70/x - Step 3: Cross multiply
4,090,130.10x = 6,135,195.15 × 1,211,600.70 - Step 4: Simplify right side
4,090,130.10x = 7,433,406,738,376.61 - Step 5: Solve for x
x = 7,433,406,738,376.61/4,090,130.10 - Step 6: Final answer
x = 1,817,401.05
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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.