Finding the Fourth Proportional to 5,352,834.80, 8,026,595.40 and 1,940,985.20
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Solution
The fourth proportional to 5,352,834.80, 8,026,595.40 and 1,940,985.20 is: 2,910,514.42
Step by Step Solution
- Step 1: Write the proportion equation
5,352,834.80 : 8,026,595.40 = 1,940,985.20 : x - Step 2: Convert to fraction form
5,352,834.80/8,026,595.40 = 1,940,985.20/x - Step 3: Cross multiply
5,352,834.80x = 8,026,595.40 × 1,940,985.20 - Step 4: Simplify right side
5,352,834.80x = 15,579,502,877,788.08 - Step 5: Solve for x
x = 15,579,502,877,788.08/5,352,834.80 - Step 6: Final answer
x = 2,910,514.42
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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.