Finding the Fourth Proportional to 2,850,688.97, 3,932,459.30 and 1,762,612.73
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Solution
The fourth proportional to 2,850,688.97, 3,932,459.30 and 1,762,612.73 is: 2,431,483.37
Step by Step Solution
- Step 1: Write the proportion equation
2,850,688.97 : 3,932,459.30 = 1,762,612.73 : x - Step 2: Convert to fraction form
2,850,688.97/3,932,459.30 = 1,762,612.73/x - Step 3: Cross multiply
2,850,688.97x = 3,932,459.30 × 1,762,612.73 - Step 4: Simplify right side
2,850,688.97x = 6,931,402,802,724.59 - Step 5: Solve for x
x = 6,931,402,802,724.59/2,850,688.97 - Step 6: Final answer
x = 2,431,483.37
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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.