Finding the Fourth Proportional to 3,913,284.96, 5,400,389.07 and 2,364,331.68
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Solution
The fourth proportional to 3,913,284.96, 5,400,389.07 and 2,364,331.68 is: 3,262,811.45
Step by Step Solution
- Step 1: Write the proportion equation
3,913,284.96 : 5,400,389.07 = 2,364,331.68 : x - Step 2: Convert to fraction form
3,913,284.96/5,400,389.07 = 2,364,331.68/x - Step 3: Cross multiply
3,913,284.96x = 5,400,389.07 × 2,364,331.68 - Step 4: Simplify right side
3,913,284.96x = 12,768,310,962,526.74 - Step 5: Solve for x
x = 12,768,310,962,526.74/3,913,284.96 - Step 6: Final answer
x = 3,262,811.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.