Finding the Fourth Proportional to 1,691,991.99, 2,538,652.59 and 744,698.61
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Solution
The fourth proportional to 1,691,991.99, 2,538,652.59 and 744,698.61 is: 1,117,340.43
Step by Step Solution
- Step 1: Write the proportion equation
1,691,991.99 : 2,538,652.59 = 744,698.61 : x - Step 2: Convert to fraction form
1,691,991.99/2,538,652.59 = 744,698.61/x - Step 3: Cross multiply
1,691,991.99x = 2,538,652.59 × 744,698.61 - Step 4: Simplify right side
1,691,991.99x = 1,890,531,055,045.90 - Step 5: Solve for x
x = 1,890,531,055,045.90/1,691,991.99 - Step 6: Final answer
x = 1,117,340.43
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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.