Finding the Fourth Proportional to 3,830,817.70, 5,746,226.55 and 1,306,555.30
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Solution
The fourth proportional to 3,830,817.70, 5,746,226.55 and 1,306,555.30 is: 1,959,832.95
Step by Step Solution
- Step 1: Write the proportion equation
3,830,817.70 : 5,746,226.55 = 1,306,555.30 : x - Step 2: Convert to fraction form
3,830,817.70/5,746,226.55 = 1,306,555.30/x - Step 3: Cross multiply
3,830,817.70x = 5,746,226.55 × 1,306,555.30 - Step 4: Simplify right side
3,830,817.70x = 7,507,762,753,903.22 - Step 5: Solve for x
x = 7,507,762,753,903.22/3,830,817.70 - Step 6: Final answer
x = 1,959,832.95
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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.