Finding the Fourth Proportional to 4,784,703.44, 7,178,440.44 and 1,418,991.44
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Solution
The fourth proportional to 4,784,703.44, 7,178,440.44 and 1,418,991.44 is: 2,128,897.99
Step by Step Solution
- Step 1: Write the proportion equation
4,784,703.44 : 7,178,440.44 = 1,418,991.44 : x - Step 2: Convert to fraction form
4,784,703.44/7,178,440.44 = 1,418,991.44/x - Step 3: Cross multiply
4,784,703.44x = 7,178,440.44 × 1,418,991.44 - Step 4: Simplify right side
4,784,703.44x = 10,186,145,536,909.83 - Step 5: Solve for x
x = 10,186,145,536,909.83/4,784,703.44 - Step 6: Final answer
x = 2,128,897.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.