Finding the Fourth Proportional to 1,731,125.68, 2,389,620.14 and 1,549,517.20
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Solution
The fourth proportional to 1,731,125.68, 2,389,620.14 and 1,549,517.20 is: 2,138,930.50
Step by Step Solution
- Step 1: Write the proportion equation
1,731,125.68 : 2,389,620.14 = 1,549,517.20 : x - Step 2: Convert to fraction form
1,731,125.68/2,389,620.14 = 1,549,517.20/x - Step 3: Cross multiply
1,731,125.68x = 2,389,620.14 × 1,549,517.20 - Step 4: Simplify right side
1,731,125.68x = 3,702,757,508,396.41 - Step 5: Solve for x
x = 3,702,757,508,396.41/1,731,125.68 - Step 6: Final answer
x = 2,138,930.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.