Finding the Fourth Proportional to 1,566,520.88, 2,161,905.72 and 887,462.96
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Solution
The fourth proportional to 1,566,520.88, 2,161,905.72 and 887,462.96 is: 1,224,759.45
Step by Step Solution
- Step 1: Write the proportion equation
1,566,520.88 : 2,161,905.72 = 887,462.96 : x - Step 2: Convert to fraction form
1,566,520.88/2,161,905.72 = 887,462.96/x - Step 3: Cross multiply
1,566,520.88x = 2,161,905.72 × 887,462.96 - Step 4: Simplify right side
1,566,520.88x = 1,918,611,249,512.13 - Step 5: Solve for x
x = 1,918,611,249,512.13/1,566,520.88 - Step 6: Final answer
x = 1,224,759.45
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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.