Finding the Fourth Proportional to 1,690,191.84, 2,332,483.12 and 926,229
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Solution
The fourth proportional to 1,690,191.84, 2,332,483.12 and 926,229 is: 1,278,206.09
Step by Step Solution
- Step 1: Write the proportion equation
1,690,191.84 : 2,332,483.12 = 926,229 : x - Step 2: Convert to fraction form
1,690,191.84/2,332,483.12 = 926,229/x - Step 3: Cross multiply
1,690,191.84x = 2,332,483.12 × 926,229 - Step 4: Simplify right side
1,690,191.84x = 2,160,413,507,754.48 - Step 5: Solve for x
x = 2,160,413,507,754.48/1,690,191.84 - Step 6: Final answer
x = 1,278,206.09
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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.