Finding the Fourth Proportional to 2,153,124.12, 3,229,578.81 and 805,187.63
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Solution
The fourth proportional to 2,153,124.12, 3,229,578.81 and 805,187.63 is: 1,207,741.29
Step by Step Solution
- Step 1: Write the proportion equation
2,153,124.12 : 3,229,578.81 = 805,187.63 : x - Step 2: Convert to fraction form
2,153,124.12/3,229,578.81 = 805,187.63/x - Step 3: Cross multiply
2,153,124.12x = 3,229,578.81 × 805,187.63 - Step 4: Simplify right side
2,153,124.12x = 2,600,416,891,774.23 - Step 5: Solve for x
x = 2,600,416,891,774.23/2,153,124.12 - Step 6: Final answer
x = 1,207,741.29
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1.5x scale
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.