Finding the Fourth Proportional to 6,459,368.99, 9,688,731.37 and 2,415,559.49
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Solution
The fourth proportional to 6,459,368.99, 9,688,731.37 and 2,415,559.49 is: 3,623,218.77
Step by Step Solution
- Step 1: Write the proportion equation
6,459,368.99 : 9,688,731.37 = 2,415,559.49 : x - Step 2: Convert to fraction form
6,459,368.99/9,688,731.37 = 2,415,559.49/x - Step 3: Cross multiply
6,459,368.99x = 9,688,731.37 × 2,415,559.49 - Step 4: Simplify right side
6,459,368.99x = 23,403,706,952,381.64 - Step 5: Solve for x
x = 23,403,706,952,381.64/6,459,368.99 - Step 6: Final answer
x = 3,623,218.77
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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.