Finding the Fourth Proportional to 1,929,230.64, 2,662,474.68 and 1,069,873.20
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Solution
The fourth proportional to 1,929,230.64, 2,662,474.68 and 1,069,873.20 is: 1,476,500.66
Step by Step Solution
- Step 1: Write the proportion equation
1,929,230.64 : 2,662,474.68 = 1,069,873.20 : x - Step 2: Convert to fraction form
1,929,230.64/2,662,474.68 = 1,069,873.20/x - Step 3: Cross multiply
1,929,230.64x = 2,662,474.68 × 1,069,873.20 - Step 4: Simplify right side
1,929,230.64x = 2,848,510,305,810.58 - Step 5: Solve for x
x = 2,848,510,305,810.58/1,929,230.64 - Step 6: Final answer
x = 1,476,500.66
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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.