Finding the Fourth Proportional to 6,909,324.18, 10,365,314.67 and 2,649,160.17
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Solution
The fourth proportional to 6,909,324.18, 10,365,314.67 and 2,649,160.17 is: 3,974,249.59
Step by Step Solution
- Step 1: Write the proportion equation
6,909,324.18 : 10,365,314.67 = 2,649,160.17 : x - Step 2: Convert to fraction form
6,909,324.18/10,365,314.67 = 2,649,160.17/x - Step 3: Cross multiply
6,909,324.18x = 10,365,314.67 × 2,649,160.17 - Step 4: Simplify right side
6,909,324.18x = 27,459,378,773,280.69 - Step 5: Solve for x
x = 27,459,378,773,280.69/6,909,324.18 - Step 6: Final answer
x = 3,974,249.59
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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.