Finding the Fourth Proportional to 1,626,372.60, 2,437,809.30 and 615,103.80
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Solution
The fourth proportional to 1,626,372.60, 2,437,809.30 and 615,103.80 is: 921,993.99
Step by Step Solution
- Step 1: Write the proportion equation
1,626,372.60 : 2,437,809.30 = 615,103.80 : x - Step 2: Convert to fraction form
1,626,372.60/2,437,809.30 = 615,103.80/x - Step 3: Cross multiply
1,626,372.60x = 2,437,809.30 × 615,103.80 - Step 4: Simplify right side
1,626,372.60x = 1,499,505,764,105.34 - Step 5: Solve for x
x = 1,499,505,764,105.34/1,626,372.60 - Step 6: Final answer
x = 921,993.99
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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.