Finding the Fourth Proportional to 1,486,236.15, 2,050,994.34 and 807,172.65
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Solution
The fourth proportional to 1,486,236.15, 2,050,994.34 and 807,172.65 is: 1,113,891.99
Step by Step Solution
- Step 1: Write the proportion equation
1,486,236.15 : 2,050,994.34 = 807,172.65 : x - Step 2: Convert to fraction form
1,486,236.15/2,050,994.34 = 807,172.65/x - Step 3: Cross multiply
1,486,236.15x = 2,050,994.34 × 807,172.65 - Step 4: Simplify right side
1,486,236.15x = 1,655,506,536,552.80 - Step 5: Solve for x
x = 1,655,506,536,552.80/1,486,236.15 - Step 6: Final answer
x = 1,113,891.99
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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.