Finding the Fourth Proportional to 2,547,811.84, 3,821,242.98 and 818,711.66
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Solution
The fourth proportional to 2,547,811.84, 3,821,242.98 and 818,711.66 is: 1,227,914.92
Step by Step Solution
- Step 1: Write the proportion equation
2,547,811.84 : 3,821,242.98 = 818,711.66 : x - Step 2: Convert to fraction form
2,547,811.84/3,821,242.98 = 818,711.66/x - Step 3: Cross multiply
2,547,811.84x = 3,821,242.98 × 818,711.66 - Step 4: Simplify right side
2,547,811.84x = 3,128,496,183,419.15 - Step 5: Solve for x
x = 3,128,496,183,419.15/2,547,811.84 - Step 6: Final answer
x = 1,227,914.92
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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.