Finding the Fourth Proportional to 1,590,816.32, 2,194,489.68 and 945,777.68
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Solution
The fourth proportional to 1,590,816.32, 2,194,489.68 and 945,777.68 is: 1,304,675.68
Step by Step Solution
- Step 1: Write the proportion equation
1,590,816.32 : 2,194,489.68 = 945,777.68 : x - Step 2: Convert to fraction form
1,590,816.32/2,194,489.68 = 945,777.68/x - Step 3: Cross multiply
1,590,816.32x = 2,194,489.68 × 945,777.68 - Step 4: Simplify right side
1,590,816.32x = 2,075,499,358,334.34 - Step 5: Solve for x
x = 2,075,499,358,334.34/1,590,816.32 - Step 6: Final answer
x = 1,304,675.68
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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.