Finding the Fourth Proportional to 4,642,582.12, 6,964,193.14 and 1,944,190.44
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Solution
The fourth proportional to 4,642,582.12, 6,964,193.14 and 1,944,190.44 is: 2,916,419.65
Step by Step Solution
- Step 1: Write the proportion equation
4,642,582.12 : 6,964,193.14 = 1,944,190.44 : x - Step 2: Convert to fraction form
4,642,582.12/6,964,193.14 = 1,944,190.44/x - Step 3: Cross multiply
4,642,582.12x = 6,964,193.14 × 1,944,190.44 - Step 4: Simplify right side
4,642,582.12x = 13,539,717,725,101.58 - Step 5: Solve for x
x = 13,539,717,725,101.58/4,642,582.12 - Step 6: Final answer
x = 2,916,419.65
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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.