Finding the Fourth Proportional to 6,585,623.68, 9,878,435.50 and 4,341,236.80
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Solution
The fourth proportional to 6,585,623.68, 9,878,435.50 and 4,341,236.80 is: 6,511,855.19
Step by Step Solution
- Step 1: Write the proportion equation
6,585,623.68 : 9,878,435.50 = 4,341,236.80 : x - Step 2: Convert to fraction form
6,585,623.68/9,878,435.50 = 4,341,236.80/x - Step 3: Cross multiply
6,585,623.68x = 9,878,435.50 × 4,341,236.80 - Step 4: Simplify right side
6,585,623.68x = 42,884,627,719,026.40 - Step 5: Solve for x
x = 42,884,627,719,026.40/6,585,623.68 - Step 6: Final answer
x = 6,511,855.19
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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.