Finding the Fourth Proportional to 2,207,479.68, 3,046,574.58 and 1,227,516.56
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Solution
The fourth proportional to 2,207,479.68, 3,046,574.58 and 1,227,516.56 is: 1,694,113.33
Step by Step Solution
- Step 1: Write the proportion equation
2,207,479.68 : 3,046,574.58 = 1,227,516.56 : x - Step 2: Convert to fraction form
2,207,479.68/3,046,574.58 = 1,227,516.56/x - Step 3: Cross multiply
2,207,479.68x = 3,046,574.58 × 1,227,516.56 - Step 4: Simplify right side
2,207,479.68x = 3,739,720,748,225.05 - Step 5: Solve for x
x = 3,739,720,748,225.05/2,207,479.68 - Step 6: Final answer
x = 1,694,113.33
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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.