Finding the Fourth Proportional to 5,178,363.03, 7,767,262.75 and 1,584,129.97
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Solution
The fourth proportional to 5,178,363.03, 7,767,262.75 and 1,584,129.97 is: 2,376,108.75
Step by Step Solution
- Step 1: Write the proportion equation
5,178,363.03 : 7,767,262.75 = 1,584,129.97 : x - Step 2: Convert to fraction form
5,178,363.03/7,767,262.75 = 1,584,129.97/x - Step 3: Cross multiply
5,178,363.03x = 7,767,262.75 × 1,584,129.97 - Step 4: Simplify right side
5,178,363.03x = 12,304,353,707,139.62 - Step 5: Solve for x
x = 12,304,353,707,139.62/5,178,363.03 - Step 6: Final answer
x = 2,376,108.75
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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.