Finding the Fourth Proportional to 4,348,904.40, 6,521,023.80 and 1,821,704.40
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Solution
The fourth proportional to 4,348,904.40, 6,521,023.80 and 1,821,704.40 is: 2,731,579.42
Step by Step Solution
- Step 1: Write the proportion equation
4,348,904.40 : 6,521,023.80 = 1,821,704.40 : x - Step 2: Convert to fraction form
4,348,904.40/6,521,023.80 = 1,821,704.40/x - Step 3: Cross multiply
4,348,904.40x = 6,521,023.80 × 1,821,704.40 - Step 4: Simplify right side
4,348,904.40x = 11,879,377,748,964.72 - Step 5: Solve for x
x = 11,879,377,748,964.72/4,348,904.40 - Step 6: Final answer
x = 2,731,579.42
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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.