Finding the Fourth Proportional to 5,553,170.80, 8,328,122.16 and 2,518,781.20
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Solution
The fourth proportional to 5,553,170.80, 8,328,122.16 and 2,518,781.20 is: 3,777,430.64
Step by Step Solution
- Step 1: Write the proportion equation
5,553,170.80 : 8,328,122.16 = 2,518,781.20 : x - Step 2: Convert to fraction form
5,553,170.80/8,328,122.16 = 2,518,781.20/x - Step 3: Cross multiply
5,553,170.80x = 8,328,122.16 × 2,518,781.20 - Step 4: Simplify right side
5,553,170.80x = 20,976,717,527,911.39 - Step 5: Solve for x
x = 20,976,717,527,911.39/5,553,170.80 - Step 6: Final answer
x = 3,777,430.64
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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.