Finding the Fourth Proportional to 1,445,877.70, 2,167,261.35 and 546,972.10
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Solution
The fourth proportional to 1,445,877.70, 2,167,261.35 and 546,972.10 is: 819,869.82
Step by Step Solution
- Step 1: Write the proportion equation
1,445,877.70 : 2,167,261.35 = 546,972.10 : x - Step 2: Convert to fraction form
1,445,877.70/2,167,261.35 = 546,972.10/x - Step 3: Cross multiply
1,445,877.70x = 2,167,261.35 × 546,972.10 - Step 4: Simplify right side
1,445,877.70x = 1,185,431,491,858.34 - Step 5: Solve for x
x = 1,185,431,491,858.34/1,445,877.70 - Step 6: Final answer
x = 819,869.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.