Finding the Fourth Proportional to 3,687,988.83, 5,528,827.91 and 1,415,144.28
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Solution
The fourth proportional to 3,687,988.83, 5,528,827.91 and 1,415,144.28 is: 2,121,505.66
Step by Step Solution
- Step 1: Write the proportion equation
3,687,988.83 : 5,528,827.91 = 1,415,144.28 : x - Step 2: Convert to fraction form
3,687,988.83/5,528,827.91 = 1,415,144.28/x - Step 3: Cross multiply
3,687,988.83x = 5,528,827.91 × 1,415,144.28 - Step 4: Simplify right side
3,687,988.83x = 7,824,089,184,865.13 - Step 5: Solve for x
x = 7,824,089,184,865.13/3,687,988.83 - Step 6: Final answer
x = 2,121,505.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.