Finding the Fourth Proportional to 3,260,218.15, 4,890,890.91 and 1,101,258.99
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Solution
The fourth proportional to 3,260,218.15, 4,890,890.91 and 1,101,258.99 is: 1,652,078.89
Step by Step Solution
- Step 1: Write the proportion equation
3,260,218.15 : 4,890,890.91 = 1,101,258.99 : x - Step 2: Convert to fraction form
3,260,218.15/4,890,890.91 = 1,101,258.99/x - Step 3: Cross multiply
3,260,218.15x = 4,890,890.91 × 1,101,258.99 - Step 4: Simplify right side
3,260,218.15x = 5,386,137,583,746.78 - Step 5: Solve for x
x = 5,386,137,583,746.78/3,260,218.15 - Step 6: Final answer
x = 1,652,078.89
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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.