Finding the Fourth Proportional to 1,551,203.10, 2,326,877.55 and 486,279.90
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Solution
The fourth proportional to 1,551,203.10, 2,326,877.55 and 486,279.90 is: 729,442.70
Step by Step Solution
- Step 1: Write the proportion equation
1,551,203.10 : 2,326,877.55 = 486,279.90 : x - Step 2: Convert to fraction form
1,551,203.10/2,326,877.55 = 486,279.90/x - Step 3: Cross multiply
1,551,203.10x = 2,326,877.55 × 486,279.90 - Step 4: Simplify right side
1,551,203.10x = 1,131,513,782,326.24 - Step 5: Solve for x
x = 1,131,513,782,326.24/1,551,203.10 - Step 6: Final answer
x = 729,442.70
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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.