Finding the Fourth Proportional to 5,715,429.68, 7,887,394.68 and 3,137,350.16
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Solution
The fourth proportional to 5,715,429.68, 7,887,394.68 and 3,137,350.16 is: 4,329,599.06
Step by Step Solution
- Step 1: Write the proportion equation
5,715,429.68 : 7,887,394.68 = 3,137,350.16 : x - Step 2: Convert to fraction form
5,715,429.68/7,887,394.68 = 3,137,350.16/x - Step 3: Cross multiply
5,715,429.68x = 7,887,394.68 × 3,137,350.16 - Step 4: Simplify right side
5,715,429.68x = 24,745,518,961,281.15 - Step 5: Solve for x
x = 24,745,518,961,281.15/5,715,429.68 - Step 6: Final answer
x = 4,329,599.06
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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.