Finding the Fourth Proportional to 5,509,473.78, 8,259,477.54 and 1,914,773.70
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Solution
The fourth proportional to 5,509,473.78, 8,259,477.54 and 1,914,773.70 is: 2,870,515.59
Step by Step Solution
- Step 1: Write the proportion equation
5,509,473.78 : 8,259,477.54 = 1,914,773.70 : x - Step 2: Convert to fraction form
5,509,473.78/8,259,477.54 = 1,914,773.70/x - Step 3: Cross multiply
5,509,473.78x = 8,259,477.54 × 1,914,773.70 - Step 4: Simplify right side
5,509,473.78x = 15,815,030,369,332.70 - Step 5: Solve for x
x = 15,815,030,369,332.70/5,509,473.78 - Step 6: Final answer
x = 2,870,515.59
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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.