Finding the Fourth Proportional to 2,727,815.04, 4,090,536.76 and 782,115.12
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Solution
The fourth proportional to 2,727,815.04, 4,090,536.76 and 782,115.12 is: 1,172,832.69
Step by Step Solution
- Step 1: Write the proportion equation
2,727,815.04 : 4,090,536.76 = 782,115.12 : x - Step 2: Convert to fraction form
2,727,815.04/4,090,536.76 = 782,115.12/x - Step 3: Cross multiply
2,727,815.04x = 4,090,536.76 × 782,115.12 - Step 4: Simplify right side
2,727,815.04x = 3,199,270,648,911.81 - Step 5: Solve for x
x = 3,199,270,648,911.81/2,727,815.04 - Step 6: Final answer
x = 1,172,832.69
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1.5x scale
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.