Finding the Fourth Proportional to 4,489,894.72, 6,734,836.32 and 1,124,101.36
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Solution
The fourth proportional to 4,489,894.72, 6,734,836.32 and 1,124,101.36 is: 1,686,150.60
Step by Step Solution
- Step 1: Write the proportion equation
4,489,894.72 : 6,734,836.32 = 1,124,101.36 : x - Step 2: Convert to fraction form
4,489,894.72/6,734,836.32 = 1,124,101.36/x - Step 3: Cross multiply
4,489,894.72x = 6,734,836.32 × 1,124,101.36 - Step 4: Simplify right side
4,489,894.72x = 7,570,638,666,689.40 - Step 5: Solve for x
x = 7,570,638,666,689.40/4,489,894.72 - Step 6: Final answer
x = 1,686,150.60
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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.