Finding the Fourth Proportional to 3,210,331.25, 4,430,535.95 and 1,760,306.94
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Solution
The fourth proportional to 3,210,331.25, 4,430,535.95 and 1,760,306.94 is: 2,429,376.47
Step by Step Solution
- Step 1: Write the proportion equation
3,210,331.25 : 4,430,535.95 = 1,760,306.94 : x - Step 2: Convert to fraction form
3,210,331.25/4,430,535.95 = 1,760,306.94/x - Step 3: Cross multiply
3,210,331.25x = 4,430,535.95 × 1,760,306.94 - Step 4: Simplify right side
3,210,331.25x = 7,799,103,192,615.28 - Step 5: Solve for x
x = 7,799,103,192,615.28/3,210,331.25 - Step 6: Final answer
x = 2,429,376.47
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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.