Finding the Fourth Proportional to 1,453,991.63, 2,179,977.47 and 643,934.63
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Solution
The fourth proportional to 1,453,991.63, 2,179,977.47 and 643,934.63 is: 965,454.65
Step by Step Solution
- Step 1: Write the proportion equation
1,453,991.63 : 2,179,977.47 = 643,934.63 : x - Step 2: Convert to fraction form
1,453,991.63/2,179,977.47 = 643,934.63/x - Step 3: Cross multiply
1,453,991.63x = 2,179,977.47 × 643,934.63 - Step 4: Simplify right side
1,453,991.63x = 1,403,762,971,433.23 - Step 5: Solve for x
x = 1,403,762,971,433.23/1,453,991.63 - Step 6: Final answer
x = 965,454.65
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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.