Finding the Fourth Proportional to 5,178,368.03, 7,767,270.25 and 1,584,134.98
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Solution
The fourth proportional to 5,178,368.03, 7,767,270.25 and 1,584,134.98 is: 2,376,116.26
Step by Step Solution
- Step 1: Write the proportion equation
5,178,368.03 : 7,767,270.25 = 1,584,134.98 : x - Step 2: Convert to fraction form
5,178,368.03/7,767,270.25 = 1,584,134.98/x - Step 3: Cross multiply
5,178,368.03x = 7,767,270.25 × 1,584,134.98 - Step 4: Simplify right side
5,178,368.03x = 12,304,404,494,217.67 - Step 5: Solve for x
x = 12,304,404,494,217.67/5,178,368.03 - Step 6: Final answer
x = 2,376,116.26
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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.