Finding the Fourth Proportional to 1,843,690.80, 2,765,536.20 and 513,994.80
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Solution
The fourth proportional to 1,843,690.80, 2,765,536.20 and 513,994.80 is: 770,992.20
Step by Step Solution
- Step 1: Write the proportion equation
1,843,690.80 : 2,765,536.20 = 513,994.80 : x - Step 2: Convert to fraction form
1,843,690.80/2,765,536.20 = 513,994.80/x - Step 3: Cross multiply
1,843,690.80x = 2,765,536.20 × 513,994.80 - Step 4: Simplify right side
1,843,690.80x = 1,421,471,226,011.76 - Step 5: Solve for x
x = 1,421,471,226,011.76/1,843,690.80 - Step 6: Final answer
x = 770,992.20
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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.