Finding the Fourth Proportional to 1,938,087.99, 2,906,910.54 and 518,254.79
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Solution
The fourth proportional to 1,938,087.99, 2,906,910.54 and 518,254.79 is: 777,322.96
Step by Step Solution
- Step 1: Write the proportion equation
1,938,087.99 : 2,906,910.54 = 518,254.79 : x - Step 2: Convert to fraction form
1,938,087.99/2,906,910.54 = 518,254.79/x - Step 3: Cross multiply
1,938,087.99x = 2,906,910.54 × 518,254.79 - Step 4: Simplify right side
1,938,087.99x = 1,506,520,296,921.93 - Step 5: Solve for x
x = 1,506,520,296,921.93/1,938,087.99 - Step 6: Final answer
x = 777,322.96
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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.