Finding the Fourth Proportional to 5,337,393.60, 8,000,841.60 and 2,642,134.80
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Solution
The fourth proportional to 5,337,393.60, 8,000,841.60 and 2,642,134.80 is: 3,960,603.92
Step by Step Solution
- Step 1: Write the proportion equation
5,337,393.60 : 8,000,841.60 = 2,642,134.80 : x - Step 2: Convert to fraction form
5,337,393.60/8,000,841.60 = 2,642,134.80/x - Step 3: Cross multiply
5,337,393.60x = 8,000,841.60 × 2,642,134.80 - Step 4: Simplify right side
5,337,393.60x = 21,139,302,020,647.68 - Step 5: Solve for x
x = 21,139,302,020,647.68/5,337,393.60 - Step 6: Final answer
x = 3,960,603.92
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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.