Finding the Fourth Proportional to 4,885,840.98, 7,329,887.39 and 1,690,967.19
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Solution
The fourth proportional to 4,885,840.98, 7,329,887.39 and 1,690,967.19 is: 2,536,840.46
Step by Step Solution
- Step 1: Write the proportion equation
4,885,840.98 : 7,329,887.39 = 1,690,967.19 : x - Step 2: Convert to fraction form
4,885,840.98/7,329,887.39 = 1,690,967.19/x - Step 3: Cross multiply
4,885,840.98x = 7,329,887.39 × 1,690,967.19 - Step 4: Simplify right side
4,885,840.98x = 12,394,599,082,884.73 - Step 5: Solve for x
x = 12,394,599,082,884.73/4,885,840.98 - Step 6: Final answer
x = 2,536,840.46
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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.