Finding the Fourth Proportional to 3,772,310.02, 5,655,291.13 and 1,640,788.74
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Solution
The fourth proportional to 3,772,310.02, 5,655,291.13 and 1,640,788.74 is: 2,459,802.60
Step by Step Solution
- Step 1: Write the proportion equation
3,772,310.02 : 5,655,291.13 = 1,640,788.74 : x - Step 2: Convert to fraction form
3,772,310.02/5,655,291.13 = 1,640,788.74/x - Step 3: Cross multiply
3,772,310.02x = 5,655,291.13 × 1,640,788.74 - Step 4: Simplify right side
3,772,310.02x = 9,279,138,007,525.88 - Step 5: Solve for x
x = 9,279,138,007,525.88/3,772,310.02 - Step 6: Final answer
x = 2,459,802.60
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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.