Finding the Fourth Proportional to 6,754,755.76, 10,132,070.04 and 2,919,289.96
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Solution
The fourth proportional to 6,754,755.76, 10,132,070.04 and 2,919,289.96 is: 4,378,907.45
Step by Step Solution
- Step 1: Write the proportion equation
6,754,755.76 : 10,132,070.04 = 2,919,289.96 : x - Step 2: Convert to fraction form
6,754,755.76/10,132,070.04 = 2,919,289.96/x - Step 3: Cross multiply
6,754,755.76x = 10,132,070.04 × 2,919,289.96 - Step 4: Simplify right side
6,754,755.76x = 29,578,450,341,788.80 - Step 5: Solve for x
x = 29,578,450,341,788.80/6,754,755.76 - Step 6: Final answer
x = 4,378,907.45
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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.