Finding the Fourth Proportional to 4,090,230.60, 6,135,345.90 and 1,211,701.20
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Solution
The fourth proportional to 4,090,230.60, 6,135,345.90 and 1,211,701.20 is: 1,817,551.80
Step by Step Solution
- Step 1: Write the proportion equation
4,090,230.60 : 6,135,345.90 = 1,211,701.20 : x - Step 2: Convert to fraction form
4,090,230.60/6,135,345.90 = 1,211,701.20/x - Step 3: Cross multiply
4,090,230.60x = 6,135,345.90 × 1,211,701.20 - Step 4: Simplify right side
4,090,230.60x = 7,434,205,989,445.08 - Step 5: Solve for x
x = 7,434,205,989,445.08/4,090,230.60 - Step 6: Final answer
x = 1,817,551.80
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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.