Finding the Fourth Proportional to 1,492,114.68, 2,059,120.80 and 813,051.12
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Solution
The fourth proportional to 1,492,114.68, 2,059,120.80 and 813,051.12 is: 1,122,011.93
Step by Step Solution
- Step 1: Write the proportion equation
1,492,114.68 : 2,059,120.80 = 813,051.12 : x - Step 2: Convert to fraction form
1,492,114.68/2,059,120.80 = 813,051.12/x - Step 3: Cross multiply
1,492,114.68x = 2,059,120.80 × 813,051.12 - Step 4: Simplify right side
1,492,114.68x = 1,674,170,472,655.30 - Step 5: Solve for x
x = 1,674,170,472,655.30/1,492,114.68 - Step 6: Final answer
x = 1,122,011.93
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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.