Finding the Fourth Proportional to 3,778,457.42, 5,664,329.61 and 1,472,416.72
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Solution
The fourth proportional to 3,778,457.42, 5,664,329.61 and 1,472,416.72 is: 2,207,317.09
Step by Step Solution
- Step 1: Write the proportion equation
3,778,457.42 : 5,664,329.61 = 1,472,416.72 : x - Step 2: Convert to fraction form
3,778,457.42/5,664,329.61 = 1,472,416.72/x - Step 3: Cross multiply
3,778,457.42x = 5,664,329.61 × 1,472,416.72 - Step 4: Simplify right side
3,778,457.42x = 8,340,253,625,355.08 - Step 5: Solve for x
x = 8,340,253,625,355.08/3,778,457.42 - Step 6: Final answer
x = 2,207,317.09
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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.