Finding the Fourth Proportional to 6,768,536, 9,340,579.68 and 3,712,757.56
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Solution
The fourth proportional to 6,768,536, 9,340,579.68 and 3,712,757.56 is: 5,123,605.43
Step by Step Solution
- Step 1: Write the proportion equation
6,768,536 : 9,340,579.68 = 3,712,757.56 : x - Step 2: Convert to fraction form
6,768,536/9,340,579.68 = 3,712,757.56/x - Step 3: Cross multiply
6,768,536x = 9,340,579.68 × 3,712,757.56 - Step 4: Simplify right side
6,768,536x = 34,679,307,821,702.38 - Step 5: Solve for x
x = 34,679,307,821,702.38/6,768,536 - Step 6: Final answer
x = 5,123,605.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.