Finding the Fourth Proportional to 2,879,821.98, 4,319,981.01 and 749,909.97
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Solution
The fourth proportional to 2,879,821.98, 4,319,981.01 and 749,909.97 is: 1,124,929.54
Step by Step Solution
- Step 1: Write the proportion equation
2,879,821.98 : 4,319,981.01 = 749,909.97 : x - Step 2: Convert to fraction form
2,879,821.98/4,319,981.01 = 749,909.97/x - Step 3: Cross multiply
2,879,821.98x = 4,319,981.01 × 749,909.97 - Step 4: Simplify right side
2,879,821.98x = 3,239,596,829,609.67 - Step 5: Solve for x
x = 3,239,596,829,609.67/2,879,821.98 - Step 6: Final answer
x = 1,124,929.54
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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.