Finding the Fourth Proportional to 4,090,201.60, 6,135,302.40 and 1,211,672.20
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Solution
The fourth proportional to 4,090,201.60, 6,135,302.40 and 1,211,672.20 is: 1,817,508.30
Step by Step Solution
- Step 1: Write the proportion equation
4,090,201.60 : 6,135,302.40 = 1,211,672.20 : x - Step 2: Convert to fraction form
4,090,201.60/6,135,302.40 = 1,211,672.20/x - Step 3: Cross multiply
4,090,201.60x = 6,135,302.40 × 1,211,672.20 - Step 4: Simplify right side
4,090,201.60x = 7,433,975,356,673.28 - Step 5: Solve for x
x = 7,433,975,356,673.28/4,090,201.60 - Step 6: Final answer
x = 1,817,508.30
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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.