Finding the Fourth Proportional to 5,464,660.20, 8,202,239.10 and 2,772,025.80
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Solution
The fourth proportional to 5,464,660.20, 8,202,239.10 and 2,772,025.80 is: 4,160,701.23
Step by Step Solution
- Step 1: Write the proportion equation
5,464,660.20 : 8,202,239.10 = 2,772,025.80 : x - Step 2: Convert to fraction form
5,464,660.20/8,202,239.10 = 2,772,025.80/x - Step 3: Cross multiply
5,464,660.20x = 8,202,239.10 × 2,772,025.80 - Step 4: Simplify right side
5,464,660.20x = 22,736,818,402,968.78 - Step 5: Solve for x
x = 22,736,818,402,968.78/5,464,660.20 - Step 6: Final answer
x = 4,160,701.23
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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.