Finding the Fourth Proportional to 1,418,771.58, 2,128,134.96 and 660,188.76
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Solution
The fourth proportional to 1,418,771.58, 2,128,134.96 and 660,188.76 is: 990,272.71
Step by Step Solution
- Step 1: Write the proportion equation
1,418,771.58 : 2,128,134.96 = 660,188.76 : x - Step 2: Convert to fraction form
1,418,771.58/2,128,134.96 = 660,188.76/x - Step 3: Cross multiply
1,418,771.58x = 2,128,134.96 × 660,188.76 - Step 4: Simplify right side
1,418,771.58x = 1,404,970,780,355.05 - Step 5: Solve for x
x = 1,404,970,780,355.05/1,418,771.58 - Step 6: Final answer
x = 990,272.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.