Finding the Fourth Proportional to 1,348,774.20, 2,021,845.86 and 538,917.03
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Solution
The fourth proportional to 1,348,774.20, 2,021,845.86 and 538,917.03 is: 807,849.95
Step by Step Solution
- Step 1: Write the proportion equation
1,348,774.20 : 2,021,845.86 = 538,917.03 : x - Step 2: Convert to fraction form
1,348,774.20/2,021,845.86 = 538,917.03/x - Step 3: Cross multiply
1,348,774.20x = 2,021,845.86 × 538,917.03 - Step 4: Simplify right side
1,348,774.20x = 1,089,607,165,989.00 - Step 5: Solve for x
x = 1,089,607,165,989.00/1,348,774.20 - Step 6: Final answer
x = 807,849.95
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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.