Finding the Fourth Proportional to 2,069,136.24, 2,855,379.96 and 1,163,718.24
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Solution
The fourth proportional to 2,069,136.24, 2,855,379.96 and 1,163,718.24 is: 1,605,915.39
Step by Step Solution
- Step 1: Write the proportion equation
2,069,136.24 : 2,855,379.96 = 1,163,718.24 : x - Step 2: Convert to fraction form
2,069,136.24/2,855,379.96 = 1,163,718.24/x - Step 3: Cross multiply
2,069,136.24x = 2,855,379.96 × 1,163,718.24 - Step 4: Simplify right side
2,069,136.24x = 3,322,857,741,582.47 - Step 5: Solve for x
x = 3,322,857,741,582.47/2,069,136.24 - Step 6: Final answer
x = 1,605,915.39
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1.5x scale
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.