Finding the Fourth Proportional to 4,968,015.30, 7,452,022.95 and 4,128,207.30
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Solution
The fourth proportional to 4,968,015.30, 7,452,022.95 and 4,128,207.30 is: 6,192,310.95
Step by Step Solution
- Step 1: Write the proportion equation
4,968,015.30 : 7,452,022.95 = 4,128,207.30 : x - Step 2: Convert to fraction form
4,968,015.30/7,452,022.95 = 4,128,207.30/x - Step 3: Cross multiply
4,968,015.30x = 7,452,022.95 × 4,128,207.30 - Step 4: Simplify right side
4,968,015.30x = 30,763,495,541,957.54 - Step 5: Solve for x
x = 30,763,495,541,957.54/4,968,015.30 - Step 6: Final answer
x = 6,192,310.95
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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.