Finding the Fourth Proportional to 1,890,406.44, 2,608,656.84 and 1,074,496.68
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Solution
The fourth proportional to 1,890,406.44, 2,608,656.84 and 1,074,496.68 is: 1,482,746.28
Step by Step Solution
- Step 1: Write the proportion equation
1,890,406.44 : 2,608,656.84 = 1,074,496.68 : x - Step 2: Convert to fraction form
1,890,406.44/2,608,656.84 = 1,074,496.68/x - Step 3: Cross multiply
1,890,406.44x = 2,608,656.84 × 1,074,496.68 - Step 4: Simplify right side
1,890,406.44x = 2,802,993,113,839.29 - Step 5: Solve for x
x = 2,802,993,113,839.29/1,890,406.44 - Step 6: Final answer
x = 1,482,746.28
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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.