Finding the Fourth Proportional to 1,391,982.03, 2,088,149.63 and 493,248.15
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Solution
The fourth proportional to 1,391,982.03, 2,088,149.63 and 493,248.15 is: 739,934.80
Step by Step Solution
- Step 1: Write the proportion equation
1,391,982.03 : 2,088,149.63 = 493,248.15 : x - Step 2: Convert to fraction form
1,391,982.03/2,088,149.63 = 493,248.15/x - Step 3: Cross multiply
1,391,982.03x = 2,088,149.63 × 493,248.15 - Step 4: Simplify right side
1,391,982.03x = 1,029,975,939,454.44 - Step 5: Solve for x
x = 1,029,975,939,454.44/1,391,982.03 - Step 6: Final answer
x = 739,934.80
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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.