Finding the Fourth Proportional to 2,811,707.10, 3,880,148.81 and 1,522,547.42
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Solution
The fourth proportional to 2,811,707.10, 3,880,148.81 and 1,522,547.42 is: 2,101,111.65
Step by Step Solution
- Step 1: Write the proportion equation
2,811,707.10 : 3,880,148.81 = 1,522,547.42 : x - Step 2: Convert to fraction form
2,811,707.10/3,880,148.81 = 1,522,547.42/x - Step 3: Cross multiply
2,811,707.10x = 3,880,148.81 × 1,522,547.42 - Step 4: Simplify right side
2,811,707.10x = 5,907,710,532,868.09 - Step 5: Solve for x
x = 5,907,710,532,868.09/2,811,707.10 - Step 6: Final answer
x = 2,101,111.65
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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.