Finding the Fourth Proportional to 5,128,468.62, 7,692,489.08 and 1,341,867.66
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Solution
The fourth proportional to 5,128,468.62, 7,692,489.08 and 1,341,867.66 is: 2,012,745.54
Step by Step Solution
- Step 1: Write the proportion equation
5,128,468.62 : 7,692,489.08 = 1,341,867.66 : x - Step 2: Convert to fraction form
5,128,468.62/7,692,489.08 = 1,341,867.66/x - Step 3: Cross multiply
5,128,468.62x = 7,692,489.08 × 1,341,867.66 - Step 4: Simplify right side
5,128,468.62x = 10,322,302,321,355.15 - Step 5: Solve for x
x = 10,322,302,321,355.15/5,128,468.62 - Step 6: Final answer
x = 2,012,745.54
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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.