Finding the Fourth Proportional to 6,909,329.68, 10,365,322.94 and 2,649,165.68
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Solution
The fourth proportional to 6,909,329.68, 10,365,322.94 and 2,649,165.68 is: 3,974,257.86
Step by Step Solution
- Step 1: Write the proportion equation
6,909,329.68 : 10,365,322.94 = 2,649,165.68 : x - Step 2: Convert to fraction form
6,909,329.68/10,365,322.94 = 2,649,165.68/x - Step 3: Cross multiply
6,909,329.68x = 10,365,322.94 × 2,649,165.68 - Step 4: Simplify right side
6,909,329.68x = 27,459,457,794,764.70 - Step 5: Solve for x
x = 27,459,457,794,764.70/6,909,329.68 - Step 6: Final answer
x = 3,974,257.86
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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.