Finding the Fourth Proportional to 1,983,967.10, 2,738,088.65 and 1,124,435.09
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Solution
The fourth proportional to 1,983,967.10, 2,738,088.65 and 1,124,435.09 is: 1,551,841.74
Step by Step Solution
- Step 1: Write the proportion equation
1,983,967.10 : 2,738,088.65 = 1,124,435.09 : x - Step 2: Convert to fraction form
1,983,967.10/2,738,088.65 = 1,124,435.09/x - Step 3: Cross multiply
1,983,967.10x = 2,738,088.65 × 1,124,435.09 - Step 4: Simplify right side
1,983,967.10x = 3,078,802,957,590.73 - Step 5: Solve for x
x = 3,078,802,957,590.73/1,983,967.10 - Step 6: Final answer
x = 1,551,841.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.