Finding the Fourth Proportional to 4,038,421.40, 6,051,727.20 and 3,436,121.60
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Solution
The fourth proportional to 4,038,421.40, 6,051,727.20 and 3,436,121.60 is: 5,149,158.17
Step by Step Solution
- Step 1: Write the proportion equation
4,038,421.40 : 6,051,727.20 = 3,436,121.60 : x - Step 2: Convert to fraction form
4,038,421.40/6,051,727.20 = 3,436,121.60/x - Step 3: Cross multiply
4,038,421.40x = 6,051,727.20 × 3,436,121.60 - Step 4: Simplify right side
4,038,421.40x = 20,794,470,549,227.52 - Step 5: Solve for x
x = 20,794,470,549,227.52/4,038,421.40 - Step 6: Final answer
x = 5,149,158.17
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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.