Finding the Fourth Proportional to 4,918,313.98, 7,377,464.43 and 1,324,084.87
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Solution
The fourth proportional to 4,918,313.98, 7,377,464.43 and 1,324,084.87 is: 1,986,125.54
Step by Step Solution
- Step 1: Write the proportion equation
4,918,313.98 : 7,377,464.43 = 1,324,084.87 : x - Step 2: Convert to fraction form
4,918,313.98/7,377,464.43 = 1,324,084.87/x - Step 3: Cross multiply
4,918,313.98x = 7,377,464.43 × 1,324,084.87 - Step 4: Simplify right side
4,918,313.98x = 9,768,389,030,726.17 - Step 5: Solve for x
x = 9,768,389,030,726.17/4,918,313.98 - Step 6: Final answer
x = 1,986,125.54
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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.