Finding the Fourth Proportional to 2,124,911.68, 2,932,292.62 and 1,158,021.07
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Solution
The fourth proportional to 2,124,911.68, 2,932,292.62 and 1,158,021.07 is: 1,598,022.48
Step by Step Solution
- Step 1: Write the proportion equation
2,124,911.68 : 2,932,292.62 = 1,158,021.07 : x - Step 2: Convert to fraction form
2,124,911.68/2,932,292.62 = 1,158,021.07/x - Step 3: Cross multiply
2,124,911.68x = 2,932,292.62 × 1,158,021.07 - Step 4: Simplify right side
2,124,911.68x = 3,395,656,637,365.50 - Step 5: Solve for x
x = 3,395,656,637,365.50/2,124,911.68 - Step 6: Final answer
x = 1,598,022.48
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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.