Finding the Fourth Proportional to 2,219,812, 3,063,343.29 and 1,201,216.75
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Solution
The fourth proportional to 2,219,812, 3,063,343.29 and 1,201,216.75 is: 1,657,680.59
Step by Step Solution
- Step 1: Write the proportion equation
2,219,812 : 3,063,343.29 = 1,201,216.75 : x - Step 2: Convert to fraction form
2,219,812/3,063,343.29 = 1,201,216.75/x - Step 3: Cross multiply
2,219,812x = 3,063,343.29 × 1,201,216.75 - Step 4: Simplify right side
2,219,812x = 3,679,739,270,948.11 - Step 5: Solve for x
x = 3,679,739,270,948.11/2,219,812 - Step 6: Final answer
x = 1,657,680.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.