Finding the Fourth Proportional to 2,219,873.34, 3,063,425.21 and 1,201,278.09
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Solution
The fourth proportional to 2,219,873.34, 3,063,425.21 and 1,201,278.09 is: 1,657,763.77
Step by Step Solution
- Step 1: Write the proportion equation
2,219,873.34 : 3,063,425.21 = 1,201,278.09 : x - Step 2: Convert to fraction form
2,219,873.34/3,063,425.21 = 1,201,278.09/x - Step 3: Cross multiply
2,219,873.34x = 3,063,425.21 × 1,201,278.09 - Step 4: Simplify right side
2,219,873.34x = 3,680,025,601,870.09 - Step 5: Solve for x
x = 3,680,025,601,870.09/2,219,873.34 - Step 6: Final answer
x = 1,657,763.77
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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.