Finding the Fourth Proportional to 1,423,675.20, 2,136,722.40 and 582,830.40
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Solution
The fourth proportional to 1,423,675.20, 2,136,722.40 and 582,830.40 is: 874,740.79
Step by Step Solution
- Step 1: Write the proportion equation
1,423,675.20 : 2,136,722.40 = 582,830.40 : x - Step 2: Convert to fraction form
1,423,675.20/2,136,722.40 = 582,830.40/x - Step 3: Cross multiply
1,423,675.20x = 2,136,722.40 × 582,830.40 - Step 4: Simplify right side
1,423,675.20x = 1,245,346,771,080.96 - Step 5: Solve for x
x = 1,245,346,771,080.96/1,423,675.20 - Step 6: Final answer
x = 874,740.79
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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.