Finding the Fourth Proportional to 5,122,545.66, 7,069,134.87 and 2,799,484.38
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Solution
The fourth proportional to 5,122,545.66, 7,069,134.87 and 2,799,484.38 is: 3,863,300.39
Step by Step Solution
- Step 1: Write the proportion equation
5,122,545.66 : 7,069,134.87 = 2,799,484.38 : x - Step 2: Convert to fraction form
5,122,545.66/7,069,134.87 = 2,799,484.38/x - Step 3: Cross multiply
5,122,545.66x = 7,069,134.87 × 2,799,484.38 - Step 4: Simplify right side
5,122,545.66x = 19,789,932,648,678.33 - Step 5: Solve for x
x = 19,789,932,648,678.33/5,122,545.66 - Step 6: Final answer
x = 3,863,300.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.