Finding the Fourth Proportional to 1,412,194.96, 2,118,069.15 and 613,261.99
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Solution
The fourth proportional to 1,412,194.96, 2,118,069.15 and 613,261.99 is: 919,796.02
Step by Step Solution
- Step 1: Write the proportion equation
1,412,194.96 : 2,118,069.15 = 613,261.99 : x - Step 2: Convert to fraction form
1,412,194.96/2,118,069.15 = 613,261.99/x - Step 3: Cross multiply
1,412,194.96x = 2,118,069.15 × 613,261.99 - Step 4: Simplify right side
1,412,194.96x = 1,298,931,301,886.61 - Step 5: Solve for x
x = 1,298,931,301,886.61/1,412,194.96 - Step 6: Final answer
x = 919,796.02
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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.