Finding the Fourth Proportional to 1,989,116.02, 2,983,652.07 and 1,190,620.45
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Solution
The fourth proportional to 1,989,116.02, 2,983,652.07 and 1,190,620.45 is: 1,785,917.53
Step by Step Solution
- Step 1: Write the proportion equation
1,989,116.02 : 2,983,652.07 = 1,190,620.45 : x - Step 2: Convert to fraction form
1,989,116.02/2,983,652.07 = 1,190,620.45/x - Step 3: Cross multiply
1,989,116.02x = 2,983,652.07 × 1,190,620.45 - Step 4: Simplify right side
1,989,116.02x = 3,552,397,170,226.83 - Step 5: Solve for x
x = 3,552,397,170,226.83/1,989,116.02 - Step 6: Final answer
x = 1,785,917.53
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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.