Finding the Fourth Proportional to 1,807,416.96, 2,711,128.92 and 545,245.80
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Solution
The fourth proportional to 1,807,416.96, 2,711,128.92 and 545,245.80 is: 817,869.75
Step by Step Solution
- Step 1: Write the proportion equation
1,807,416.96 : 2,711,128.92 = 545,245.80 : x - Step 2: Convert to fraction form
1,807,416.96/2,711,128.92 = 545,245.80/x - Step 3: Cross multiply
1,807,416.96x = 2,711,128.92 × 545,245.80 - Step 4: Simplify right side
1,807,416.96x = 1,478,231,656,888.54 - Step 5: Solve for x
x = 1,478,231,656,888.54/1,807,416.96 - Step 6: Final answer
x = 817,869.75
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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.