Finding the Fourth Proportional to 1,771,215.80, 2,656,823.70 and 573,225.80
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Solution
The fourth proportional to 1,771,215.80, 2,656,823.70 and 573,225.80 is: 859,838.70
Step by Step Solution
- Step 1: Write the proportion equation
1,771,215.80 : 2,656,823.70 = 573,225.80 : x - Step 2: Convert to fraction form
1,771,215.80/2,656,823.70 = 573,225.80/x - Step 3: Cross multiply
1,771,215.80x = 2,656,823.70 × 573,225.80 - Step 4: Simplify right side
1,771,215.80x = 1,522,959,890,891.46 - Step 5: Solve for x
x = 1,522,959,890,891.46/1,771,215.80 - Step 6: Final answer
x = 859,838.70
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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.