Finding the Fourth Proportional to 4,612,845.80, 6,919,929.04 and 1,418,240.18
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Solution
The fourth proportional to 4,612,845.80, 6,919,929.04 and 1,418,240.18 is: 2,127,563.29
Step by Step Solution
- Step 1: Write the proportion equation
4,612,845.80 : 6,919,929.04 = 1,418,240.18 : x - Step 2: Convert to fraction form
4,612,845.80/6,919,929.04 = 1,418,240.18/x - Step 3: Cross multiply
4,612,845.80x = 6,919,929.04 × 1,418,240.18 - Step 4: Simplify right side
4,612,845.80x = 9,814,121,407,276.83 - Step 5: Solve for x
x = 9,814,121,407,276.83/4,612,845.80 - Step 6: Final answer
x = 2,127,563.29
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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.