Finding the Fourth Proportional to 6,457,489.50, 8,911,335.51 and 3,742,810.14
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Solution
The fourth proportional to 6,457,489.50, 8,911,335.51 and 3,742,810.14 is: 5,165,077.99
Step by Step Solution
- Step 1: Write the proportion equation
6,457,489.50 : 8,911,335.51 = 3,742,810.14 : x - Step 2: Convert to fraction form
6,457,489.50/8,911,335.51 = 3,742,810.14/x - Step 3: Cross multiply
6,457,489.50x = 8,911,335.51 × 3,742,810.14 - Step 4: Simplify right side
6,457,489.50x = 33,353,436,907,770.07 - Step 5: Solve for x
x = 33,353,436,907,770.07/6,457,489.50 - Step 6: Final answer
x = 5,165,077.99
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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.