Finding the Fourth Proportional to 1,890,403.44, 2,608,652.70 and 1,074,493.68
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Solution
The fourth proportional to 1,890,403.44, 2,608,652.70 and 1,074,493.68 is: 1,482,742.14
Step by Step Solution
- Step 1: Write the proportion equation
1,890,403.44 : 2,608,652.70 = 1,074,493.68 : x - Step 2: Convert to fraction form
1,890,403.44/2,608,652.70 = 1,074,493.68/x - Step 3: Cross multiply
1,890,403.44x = 2,608,652.70 × 1,074,493.68 - Step 4: Simplify right side
1,890,403.44x = 2,802,980,839,464.94 - Step 5: Solve for x
x = 2,802,980,839,464.94/1,890,403.44 - Step 6: Final answer
x = 1,482,742.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.