Finding the Fourth Proportional to 5,138,813.98, 7,709,193.14 and 2,065,044.09
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Solution
The fourth proportional to 5,138,813.98, 7,709,193.14 and 2,065,044.09 is: 3,097,956.80
Step by Step Solution
- Step 1: Write the proportion equation
5,138,813.98 : 7,709,193.14 = 2,065,044.09 : x - Step 2: Convert to fraction form
5,138,813.98/7,709,193.14 = 2,065,044.09/x - Step 3: Cross multiply
5,138,813.98x = 7,709,193.14 × 2,065,044.09 - Step 4: Simplify right side
5,138,813.98x = 15,919,823,732,425.54 - Step 5: Solve for x
x = 15,919,823,732,425.54/5,138,813.98 - Step 6: Final answer
x = 3,097,956.80
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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.