Finding the Fourth Proportional to 2,420,899.80, 3,631,828.14 and 715,072.74
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Solution
The fourth proportional to 2,420,899.80, 3,631,828.14 and 715,072.74 is: 1,072,750.43
Step by Step Solution
- Step 1: Write the proportion equation
2,420,899.80 : 3,631,828.14 = 715,072.74 : x - Step 2: Convert to fraction form
2,420,899.80/3,631,828.14 = 715,072.74/x - Step 3: Cross multiply
2,420,899.80x = 3,631,828.14 × 715,072.74 - Step 4: Simplify right side
2,420,899.80x = 2,597,021,299,278.90 - Step 5: Solve for x
x = 2,597,021,299,278.90/2,420,899.80 - Step 6: Final answer
x = 1,072,750.43
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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.