Finding the Fourth Proportional to 1,920,299.84, 2,880,415.20 and 658,134.08
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Solution
The fourth proportional to 1,920,299.84, 2,880,415.20 and 658,134.08 is: 987,189.28
Step by Step Solution
- Step 1: Write the proportion equation
1,920,299.84 : 2,880,415.20 = 658,134.08 : x - Step 2: Convert to fraction form
1,920,299.84/2,880,415.20 = 658,134.08/x - Step 3: Cross multiply
1,920,299.84x = 2,880,415.20 × 658,134.08 - Step 4: Simplify right side
1,920,299.84x = 1,895,699,407,670.02 - Step 5: Solve for x
x = 1,895,699,407,670.02/1,920,299.84 - Step 6: Final answer
x = 987,189.28
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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.