Finding the Fourth Proportional to 2,905,726.12, 4,358,444.99 and 1,083,949.12
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Solution
The fourth proportional to 2,905,726.12, 4,358,444.99 and 1,083,949.12 is: 1,625,869.89
Step by Step Solution
- Step 1: Write the proportion equation
2,905,726.12 : 4,358,444.99 = 1,083,949.12 : x - Step 2: Convert to fraction form
2,905,726.12/4,358,444.99 = 1,083,949.12/x - Step 3: Cross multiply
2,905,726.12x = 4,358,444.99 × 1,083,949.12 - Step 4: Simplify right side
2,905,726.12x = 4,724,332,611,478.91 - Step 5: Solve for x
x = 4,724,332,611,478.91/2,905,726.12 - Step 6: Final answer
x = 1,625,869.89
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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.