Finding the Fourth Proportional to 2,219,921.44, 3,063,513.20 and 1,201,347.36
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Solution
The fourth proportional to 2,219,921.44, 3,063,513.20 and 1,201,347.36 is: 1,657,871.05
Step by Step Solution
- Step 1: Write the proportion equation
2,219,921.44 : 3,063,513.20 = 1,201,347.36 : x - Step 2: Convert to fraction form
2,219,921.44/3,063,513.20 = 1,201,347.36/x - Step 3: Cross multiply
2,219,921.44x = 3,063,513.20 × 1,201,347.36 - Step 4: Simplify right side
2,219,921.44x = 3,680,343,495,145.15 - Step 5: Solve for x
x = 3,680,343,495,145.15/2,219,921.44 - Step 6: Final answer
x = 1,657,871.05
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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.