Finding the Fourth Proportional to 2,257,833.87, 3,115,812.36 and 1,225,341.38
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Solution
The fourth proportional to 2,257,833.87, 3,115,812.36 and 1,225,341.38 is: 1,690,971.98
Step by Step Solution
- Step 1: Write the proportion equation
2,257,833.87 : 3,115,812.36 = 1,225,341.38 : x - Step 2: Convert to fraction form
2,257,833.87/3,115,812.36 = 1,225,341.38/x - Step 3: Cross multiply
2,257,833.87x = 3,115,812.36 × 1,225,341.38 - Step 4: Simplify right side
2,257,833.87x = 3,817,933,809,233.93 - Step 5: Solve for x
x = 3,817,933,809,233.93/2,257,833.87 - Step 6: Final answer
x = 1,690,971.98
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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.