Finding the Fourth Proportional to 2,272,651.12, 3,136,325.10 and 1,240,225.44
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Solution
The fourth proportional to 2,272,651.12, 3,136,325.10 and 1,240,225.44 is: 1,711,547.42
Step by Step Solution
- Step 1: Write the proportion equation
2,272,651.12 : 3,136,325.10 = 1,240,225.44 : x - Step 2: Convert to fraction form
2,272,651.12/3,136,325.10 = 1,240,225.44/x - Step 3: Cross multiply
2,272,651.12x = 3,136,325.10 × 1,240,225.44 - Step 4: Simplify right side
2,272,651.12x = 3,889,750,160,718.48 - Step 5: Solve for x
x = 3,889,750,160,718.48/2,272,651.12 - Step 6: Final answer
x = 1,711,547.42
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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.