Finding the Fourth Proportional to 4,440,566.64, 6,128,130.57 and 2,721,355.14
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Solution
The fourth proportional to 4,440,566.64, 6,128,130.57 and 2,721,355.14 is: 3,755,561.17
Step by Step Solution
- Step 1: Write the proportion equation
4,440,566.64 : 6,128,130.57 = 2,721,355.14 : x - Step 2: Convert to fraction form
4,440,566.64/6,128,130.57 = 2,721,355.14/x - Step 3: Cross multiply
4,440,566.64x = 6,128,130.57 × 2,721,355.14 - Step 4: Simplify right side
4,440,566.64x = 16,676,819,625,260.63 - Step 5: Solve for x
x = 16,676,819,625,260.63/4,440,566.64 - Step 6: Final answer
x = 3,755,561.17
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1.5x scale
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.