Finding the Fourth Proportional to 5,464,686.20, 8,202,278.10 and 2,772,051.80
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Solution
The fourth proportional to 5,464,686.20, 8,202,278.10 and 2,772,051.80 is: 4,160,740.24
Step by Step Solution
- Step 1: Write the proportion equation
5,464,686.20 : 8,202,278.10 = 2,772,051.80 : x - Step 2: Convert to fraction form
5,464,686.20/8,202,278.10 = 2,772,051.80/x - Step 3: Cross multiply
5,464,686.20x = 8,202,278.10 × 2,772,051.80 - Step 4: Simplify right side
5,464,686.20x = 22,737,139,771,205.58 - Step 5: Solve for x
x = 22,737,139,771,205.58/5,464,686.20 - Step 6: Final answer
x = 4,160,740.24
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1.5x scale
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.