Finding the Fourth Proportional to 5,756,553.41, 7,944,055.52 and 3,178,239.17
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Solution
The fourth proportional to 5,756,553.41, 7,944,055.52 and 3,178,239.17 is: 4,385,976.57
Step by Step Solution
- Step 1: Write the proportion equation
5,756,553.41 : 7,944,055.52 = 3,178,239.17 : x - Step 2: Convert to fraction form
5,756,553.41/7,944,055.52 = 3,178,239.17/x - Step 3: Cross multiply
5,756,553.41x = 7,944,055.52 × 3,178,239.17 - Step 4: Simplify right side
5,756,553.41x = 25,248,108,366,707.25 - Step 5: Solve for x
x = 25,248,108,366,707.25/5,756,553.41 - Step 6: Final answer
x = 4,385,976.57
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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.