Finding the Fourth Proportional to 1,540,811.62, 2,311,709.55 and 742,173.94
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Solution
The fourth proportional to 1,540,811.62, 2,311,709.55 and 742,173.94 is: 1,113,497.95
Step by Step Solution
- Step 1: Write the proportion equation
1,540,811.62 : 2,311,709.55 = 742,173.94 : x - Step 2: Convert to fraction form
1,540,811.62/2,311,709.55 = 742,173.94/x - Step 3: Cross multiply
1,540,811.62x = 2,311,709.55 × 742,173.94 - Step 4: Simplify right side
1,540,811.62x = 1,715,690,584,859.13 - Step 5: Solve for x
x = 1,715,690,584,859.13/1,540,811.62 - Step 6: Final answer
x = 1,113,497.95
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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.