Finding the Fourth Proportional to 4,724,106.81, 7,087,398.71 and 1,485,512.97
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Solution
The fourth proportional to 4,724,106.81, 7,087,398.71 and 1,485,512.97 is: 2,228,658.90
Step by Step Solution
- Step 1: Write the proportion equation
4,724,106.81 : 7,087,398.71 = 1,485,512.97 : x - Step 2: Convert to fraction form
4,724,106.81/7,087,398.71 = 1,485,512.97/x - Step 3: Cross multiply
4,724,106.81x = 7,087,398.71 × 1,485,512.97 - Step 4: Simplify right side
4,724,106.81x = 10,528,422,699,838.70 - Step 5: Solve for x
x = 10,528,422,699,838.70/4,724,106.81 - Step 6: Final answer
x = 2,228,658.90
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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.