Finding the Fourth Proportional to 2,929,806.72, 4,389,395.58 and 2,163,202.92
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Solution
The fourth proportional to 2,929,806.72, 4,389,395.58 and 2,163,202.92 is: 3,240,880.45
Step by Step Solution
- Step 1: Write the proportion equation
2,929,806.72 : 4,389,395.58 = 2,163,202.92 : x - Step 2: Convert to fraction form
2,929,806.72/4,389,395.58 = 2,163,202.92/x - Step 3: Cross multiply
2,929,806.72x = 4,389,395.58 × 2,163,202.92 - Step 4: Simplify right side
2,929,806.72x = 9,495,153,335,691.09 - Step 5: Solve for x
x = 9,495,153,335,691.09/2,929,806.72 - Step 6: Final answer
x = 3,240,880.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.