Finding the Fourth Proportional to 5,221,924.84, 7,206,314.34 and 2,898,974.44
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Solution
The fourth proportional to 5,221,924.84, 7,206,314.34 and 2,898,974.44 is: 4,000,616.96
Step by Step Solution
- Step 1: Write the proportion equation
5,221,924.84 : 7,206,314.34 = 2,898,974.44 : x - Step 2: Convert to fraction form
5,221,924.84/7,206,314.34 = 2,898,974.44/x - Step 3: Cross multiply
5,221,924.84x = 7,206,314.34 × 2,898,974.44 - Step 4: Simplify right side
5,221,924.84x = 20,890,921,078,265.47 - Step 5: Solve for x
x = 20,890,921,078,265.47/5,221,924.84 - Step 6: Final answer
x = 4,000,616.96
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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.