Finding the Fourth Proportional to 6,849,713.94, 9,450,302.11 and 3,949,041.17
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Solution
The fourth proportional to 6,849,713.94, 9,450,302.11 and 3,949,041.17 is: 5,448,348.99
Step by Step Solution
- Step 1: Write the proportion equation
6,849,713.94 : 9,450,302.11 = 3,949,041.17 : x - Step 2: Convert to fraction form
6,849,713.94/9,450,302.11 = 3,949,041.17/x - Step 3: Cross multiply
6,849,713.94x = 9,450,302.11 × 3,949,041.17 - Step 4: Simplify right side
6,849,713.94x = 37,319,632,044,203.76 - Step 5: Solve for x
x = 37,319,632,044,203.76/6,849,713.94 - Step 6: Final answer
x = 5,448,348.99
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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.