Finding the Fourth Proportional to 1,689,110.18, 2,330,972.36 and 925,191.08
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Solution
The fourth proportional to 1,689,110.18, 2,330,972.36 and 925,191.08 is: 1,276,763.86
Step by Step Solution
- Step 1: Write the proportion equation
1,689,110.18 : 2,330,972.36 = 925,191.08 : x - Step 2: Convert to fraction form
1,689,110.18/2,330,972.36 = 925,191.08/x - Step 3: Cross multiply
1,689,110.18x = 2,330,972.36 × 925,191.08 - Step 4: Simplify right side
1,689,110.18x = 2,156,594,835,198.55 - Step 5: Solve for x
x = 2,156,594,835,198.55/1,689,110.18 - Step 6: Final answer
x = 1,276,763.86
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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.