Finding the Fourth Proportional to 2,518,937.99, 3,778,943.70 and 813,178.22
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Solution
The fourth proportional to 2,518,937.99, 3,778,943.70 and 813,178.22 is: 1,219,940.60
Step by Step Solution
- Step 1: Write the proportion equation
2,518,937.99 : 3,778,943.70 = 813,178.22 : x - Step 2: Convert to fraction form
2,518,937.99/3,778,943.70 = 813,178.22/x - Step 3: Cross multiply
2,518,937.99x = 3,778,943.70 × 813,178.22 - Step 4: Simplify right side
2,518,937.99x = 3,072,954,711,446.21 - Step 5: Solve for x
x = 3,072,954,711,446.21/2,518,937.99 - Step 6: Final answer
x = 1,219,940.60
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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.