Finding the Fourth Proportional to 1,989,124.04, 2,983,664.04 and 1,190,628.44
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Solution
The fourth proportional to 1,989,124.04, 2,983,664.04 and 1,190,628.44 is: 1,785,929.48
Step by Step Solution
- Step 1: Write the proportion equation
1,989,124.04 : 2,983,664.04 = 1,190,628.44 : x - Step 2: Convert to fraction form
1,989,124.04/2,983,664.04 = 1,190,628.44/x - Step 3: Cross multiply
1,989,124.04x = 2,983,664.04 × 1,190,628.44 - Step 4: Simplify right side
1,989,124.04x = 3,552,435,261,429.30 - Step 5: Solve for x
x = 3,552,435,261,429.30/1,989,124.04 - Step 6: Final answer
x = 1,785,929.48
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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.