Finding the Fourth Proportional to 2,518,939.60, 3,778,946.14 and 813,179.84
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Solution
The fourth proportional to 2,518,939.60, 3,778,946.14 and 813,179.84 is: 1,219,943.03
Step by Step Solution
- Step 1: Write the proportion equation
2,518,939.60 : 3,778,946.14 = 813,179.84 : x - Step 2: Convert to fraction form
2,518,939.60/3,778,946.14 = 813,179.84/x - Step 3: Cross multiply
2,518,939.60x = 3,778,946.14 × 813,179.84 - Step 4: Simplify right side
2,518,939.60x = 3,072,962,817,493.82 - Step 5: Solve for x
x = 3,072,962,817,493.82/2,518,939.60 - Step 6: Final answer
x = 1,219,943.03
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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.