Finding the Fourth Proportional to 2,776,897.29, 4,162,612.91 and 1,622,678.99
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Solution
The fourth proportional to 2,776,897.29, 4,162,612.91 and 1,622,678.99 is: 2,432,421.45
Step by Step Solution
- Step 1: Write the proportion equation
2,776,897.29 : 4,162,612.91 = 1,622,678.99 : x - Step 2: Convert to fraction form
2,776,897.29/4,162,612.91 = 1,622,678.99/x - Step 3: Cross multiply
2,776,897.29x = 4,162,612.91 × 1,622,678.99 - Step 4: Simplify right side
2,776,897.29x = 6,754,584,527,022.99 - Step 5: Solve for x
x = 6,754,584,527,022.99/2,776,897.29 - Step 6: Final answer
x = 2,432,421.45
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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.