Finding the Fourth Proportional to 5,260,194.60, 7,890,369.66 and 1,473,438.12
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Solution
The fourth proportional to 5,260,194.60, 7,890,369.66 and 1,473,438.12 is: 2,210,178.96
Step by Step Solution
- Step 1: Write the proportion equation
5,260,194.60 : 7,890,369.66 = 1,473,438.12 : x - Step 2: Convert to fraction form
5,260,194.60/7,890,369.66 = 1,473,438.12/x - Step 3: Cross multiply
5,260,194.60x = 7,890,369.66 × 1,473,438.12 - Step 4: Simplify right side
5,260,194.60x = 11,625,971,437,935.44 - Step 5: Solve for x
x = 11,625,971,437,935.44/5,260,194.60 - Step 6: Final answer
x = 2,210,178.96
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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.