Finding the Fourth Proportional to 4,085,639.10, 6,127,802.55 and 1,245,090.60
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Solution
The fourth proportional to 4,085,639.10, 6,127,802.55 and 1,245,090.60 is: 1,867,435.95
Step by Step Solution
- Step 1: Write the proportion equation
4,085,639.10 : 6,127,802.55 = 1,245,090.60 : x - Step 2: Convert to fraction form
4,085,639.10/6,127,802.55 = 1,245,090.60/x - Step 3: Cross multiply
4,085,639.10x = 6,127,802.55 × 1,245,090.60 - Step 4: Simplify right side
4,085,639.10x = 7,629,669,353,661.03 - Step 5: Solve for x
x = 7,629,669,353,661.03/4,085,639.10 - Step 6: Final answer
x = 1,867,435.95
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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.