Finding the Fourth Proportional to 1,569,816.79, 2,166,199.10 and 881,354.18
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Solution
The fourth proportional to 1,569,816.79, 2,166,199.10 and 881,354.18 is: 1,216,185.64
Step by Step Solution
- Step 1: Write the proportion equation
1,569,816.79 : 2,166,199.10 = 881,354.18 : x - Step 2: Convert to fraction form
1,569,816.79/2,166,199.10 = 881,354.18/x - Step 3: Cross multiply
1,569,816.79x = 2,166,199.10 × 881,354.18 - Step 4: Simplify right side
1,569,816.79x = 1,909,188,640,768.66 - Step 5: Solve for x
x = 1,909,188,640,768.66/1,569,816.79 - Step 6: Final answer
x = 1,216,185.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.