Finding the Fourth Proportional to 2,912,264.40, 4,368,396.60 and 782,563.80
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Solution
The fourth proportional to 2,912,264.40, 4,368,396.60 and 782,563.80 is: 1,173,845.70
Step by Step Solution
- Step 1: Write the proportion equation
2,912,264.40 : 4,368,396.60 = 782,563.80 : x - Step 2: Convert to fraction form
2,912,264.40/4,368,396.60 = 782,563.80/x - Step 3: Cross multiply
2,912,264.40x = 4,368,396.60 × 782,563.80 - Step 4: Simplify right side
2,912,264.40x = 3,418,549,043,203.08 - Step 5: Solve for x
x = 3,418,549,043,203.08/2,912,264.40 - Step 6: Final answer
x = 1,173,845.70
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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.