Finding the Fourth Proportional to 1,486,285.20, 2,051,039.88 and 807,207.12
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Solution
The fourth proportional to 1,486,285.20, 2,051,039.88 and 807,207.12 is: 1,113,927.53
Step by Step Solution
- Step 1: Write the proportion equation
1,486,285.20 : 2,051,039.88 = 807,207.12 : x - Step 2: Convert to fraction form
1,486,285.20/2,051,039.88 = 807,207.12/x - Step 3: Cross multiply
1,486,285.20x = 2,051,039.88 × 807,207.12 - Step 4: Simplify right side
1,486,285.20x = 1,655,613,994,539.95 - Step 5: Solve for x
x = 1,655,613,994,539.95/1,486,285.20 - Step 6: Final answer
x = 1,113,927.53
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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.