Finding the Fourth Proportional to 3,190,740.19, 4,403,714.18 and 1,884,132.02
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Solution
The fourth proportional to 3,190,740.19, 4,403,714.18 and 1,884,132.02 is: 2,600,393.14
Step by Step Solution
- Step 1: Write the proportion equation
3,190,740.19 : 4,403,714.18 = 1,884,132.02 : x - Step 2: Convert to fraction form
3,190,740.19/4,403,714.18 = 1,884,132.02/x - Step 3: Cross multiply
3,190,740.19x = 4,403,714.18 × 1,884,132.02 - Step 4: Simplify right side
3,190,740.19x = 8,297,178,895,054.67 - Step 5: Solve for x
x = 8,297,178,895,054.67/3,190,740.19 - Step 6: Final answer
x = 2,600,393.14
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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.