Finding the Fourth Proportional to 5,239,934.94, 7,859,901.93 and 1,453,417.98
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Solution
The fourth proportional to 5,239,934.94, 7,859,901.93 and 1,453,417.98 is: 2,180,126.84
Step by Step Solution
- Step 1: Write the proportion equation
5,239,934.94 : 7,859,901.93 = 1,453,417.98 : x - Step 2: Convert to fraction form
5,239,934.94/7,859,901.93 = 1,453,417.98/x - Step 3: Cross multiply
5,239,934.94x = 7,859,901.93 × 1,453,417.98 - Step 4: Simplify right side
5,239,934.94x = 11,423,722,786,098.70 - Step 5: Solve for x
x = 11,423,722,786,098.70/5,239,934.94 - Step 6: Final answer
x = 2,180,126.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.