Finding the Fourth Proportional to 1,481,312.20, 2,221,968.30 and 534,713.80
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Solution
The fourth proportional to 1,481,312.20, 2,221,968.30 and 534,713.80 is: 802,070.70
Step by Step Solution
- Step 1: Write the proportion equation
1,481,312.20 : 2,221,968.30 = 534,713.80 : x - Step 2: Convert to fraction form
1,481,312.20/2,221,968.30 = 534,713.80/x - Step 3: Cross multiply
1,481,312.20x = 2,221,968.30 × 534,713.80 - Step 4: Simplify right side
1,481,312.20x = 1,188,117,113,172.54 - Step 5: Solve for x
x = 1,188,117,113,172.54/1,481,312.20 - Step 6: Final answer
x = 802,070.70
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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.