Finding the Fourth Proportional to 1,679,763.49, 2,518,153.20 and 654,857.53
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Solution
The fourth proportional to 1,679,763.49, 2,518,153.20 and 654,857.53 is: 981,704.62
Step by Step Solution
- Step 1: Write the proportion equation
1,679,763.49 : 2,518,153.20 = 654,857.53 : x - Step 2: Convert to fraction form
1,679,763.49/2,518,153.20 = 654,857.53/x - Step 3: Cross multiply
1,679,763.49x = 2,518,153.20 × 654,857.53 - Step 4: Simplify right side
1,679,763.49x = 1,649,031,584,713.60 - Step 5: Solve for x
x = 1,649,031,584,713.60/1,679,763.49 - Step 6: Final answer
x = 981,704.62
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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.