Finding the Fourth Proportional to 2,215,327.13, 3,057,154.18 and 1,196,731.88
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Solution
The fourth proportional to 2,215,327.13, 3,057,154.18 and 1,196,731.88 is: 1,651,491.47
Step by Step Solution
- Step 1: Write the proportion equation
2,215,327.13 : 3,057,154.18 = 1,196,731.88 : x - Step 2: Convert to fraction form
2,215,327.13/3,057,154.18 = 1,196,731.88/x - Step 3: Cross multiply
2,215,327.13x = 3,057,154.18 × 1,196,731.88 - Step 4: Simplify right side
2,215,327.13x = 3,658,593,862,467.99 - Step 5: Solve for x
x = 3,658,593,862,467.99/2,215,327.13 - Step 6: Final answer
x = 1,651,491.47
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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.