Finding the Fourth Proportional to 2,165,334.41, 2,988,125.28 and 1,198,444.10
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Solution
The fourth proportional to 2,165,334.41, 2,988,125.28 and 1,198,444.10 is: 1,653,832.82
Step by Step Solution
- Step 1: Write the proportion equation
2,165,334.41 : 2,988,125.28 = 1,198,444.10 : x - Step 2: Convert to fraction form
2,165,334.41/2,988,125.28 = 1,198,444.10/x - Step 3: Cross multiply
2,165,334.41x = 2,988,125.28 × 1,198,444.10 - Step 4: Simplify right side
2,165,334.41x = 3,581,101,096,936.22 - Step 5: Solve for x
x = 3,581,101,096,936.22/2,165,334.41 - Step 6: Final answer
x = 1,653,832.82
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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.