Finding the Fourth Proportional to 2,124,772.36, 2,932,111.36 and 1,157,882.92
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Solution
The fourth proportional to 2,124,772.36, 2,932,111.36 and 1,157,882.92 is: 1,597,837.83
Step by Step Solution
- Step 1: Write the proportion equation
2,124,772.36 : 2,932,111.36 = 1,157,882.92 : x - Step 2: Convert to fraction form
2,124,772.36/2,932,111.36 = 1,157,882.92/x - Step 3: Cross multiply
2,124,772.36x = 2,932,111.36 × 1,157,882.92 - Step 4: Simplify right side
2,124,772.36x = 3,395,041,663,281.97 - Step 5: Solve for x
x = 3,395,041,663,281.97/2,124,772.36 - Step 6: Final answer
x = 1,597,837.83
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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.