Finding the Fourth Proportional to 5,178,369.03, 7,767,271.74 and 1,584,135.98
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Solution
The fourth proportional to 5,178,369.03, 7,767,271.74 and 1,584,135.98 is: 2,376,117.76
Step by Step Solution
- Step 1: Write the proportion equation
5,178,369.03 : 7,767,271.74 = 1,584,135.98 : x - Step 2: Convert to fraction form
5,178,369.03/7,767,271.74 = 1,584,135.98/x - Step 3: Cross multiply
5,178,369.03x = 7,767,271.74 × 1,584,135.98 - Step 4: Simplify right side
5,178,369.03x = 12,304,414,629,771.21 - Step 5: Solve for x
x = 12,304,414,629,771.21/5,178,369.03 - Step 6: Final answer
x = 2,376,117.76
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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.