Finding the Fourth Proportional to 2,763,046.23, 4,125,141.70 and 2,111,210.99
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Solution
The fourth proportional to 2,763,046.23, 4,125,141.70 and 2,111,210.99 is: 3,151,972.05
Step by Step Solution
- Step 1: Write the proportion equation
2,763,046.23 : 4,125,141.70 = 2,111,210.99 : x - Step 2: Convert to fraction form
2,763,046.23/4,125,141.70 = 2,111,210.99/x - Step 3: Cross multiply
2,763,046.23x = 4,125,141.70 × 2,111,210.99 - Step 4: Simplify right side
2,763,046.23x = 8,709,044,492,347.28 - Step 5: Solve for x
x = 8,709,044,492,347.28/2,763,046.23 - Step 6: Final answer
x = 3,151,972.05
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.