Finding the Fourth Proportional to 2,042,286.84, 2,818,332.09 and 1,124,496.90
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Solution
The fourth proportional to 2,042,286.84, 2,818,332.09 and 1,124,496.90 is: 1,551,792.65
Step by Step Solution
- Step 1: Write the proportion equation
2,042,286.84 : 2,818,332.09 = 1,124,496.90 : x - Step 2: Convert to fraction form
2,042,286.84/2,818,332.09 = 1,124,496.90/x - Step 3: Cross multiply
2,042,286.84x = 2,818,332.09 × 1,124,496.90 - Step 4: Simplify right side
2,042,286.84x = 3,169,205,698,375.52 - Step 5: Solve for x
x = 3,169,205,698,375.52/2,042,286.84 - Step 6: Final answer
x = 1,551,792.65
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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.