Finding the Fourth Proportional to 2,127,108.40, 2,934,884.28 and 1,299,970.96
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Solution
The fourth proportional to 2,127,108.40, 2,934,884.28 and 1,299,970.96 is: 1,793,638.88
Step by Step Solution
- Step 1: Write the proportion equation
2,127,108.40 : 2,934,884.28 = 1,299,970.96 : x - Step 2: Convert to fraction form
2,127,108.40/2,934,884.28 = 1,299,970.96/x - Step 3: Cross multiply
2,127,108.40x = 2,934,884.28 × 1,299,970.96 - Step 4: Simplify right side
2,127,108.40x = 3,815,264,334,960.51 - Step 5: Solve for x
x = 3,815,264,334,960.51/2,127,108.40 - Step 6: Final answer
x = 1,793,638.88
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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.