Finding the Fourth Proportional to 3,709,521.57, 5,563,639.87 and 1,115,788.77
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Solution
The fourth proportional to 3,709,521.57, 5,563,639.87 and 1,115,788.77 is: 1,673,489.90
Step by Step Solution
- Step 1: Write the proportion equation
3,709,521.57 : 5,563,639.87 = 1,115,788.77 : x - Step 2: Convert to fraction form
3,709,521.57/5,563,639.87 = 1,115,788.77/x - Step 3: Cross multiply
3,709,521.57x = 5,563,639.87 × 1,115,788.77 - Step 4: Simplify right side
3,709,521.57x = 6,207,846,887,270.26 - Step 5: Solve for x
x = 6,207,846,887,270.26/3,709,521.57 - Step 6: Final answer
x = 1,673,489.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.