Finding the Fourth Proportional to 3,039,982.99, 4,195,145.39 and 1,681,865.71
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Solution
The fourth proportional to 3,039,982.99, 4,195,145.39 and 1,681,865.71 is: 2,320,957.45
Step by Step Solution
- Step 1: Write the proportion equation
3,039,982.99 : 4,195,145.39 = 1,681,865.71 : x - Step 2: Convert to fraction form
3,039,982.99/4,195,145.39 = 1,681,865.71/x - Step 3: Cross multiply
3,039,982.99x = 4,195,145.39 × 1,681,865.71 - Step 4: Simplify right side
3,039,982.99x = 7,055,671,161,008.39 - Step 5: Solve for x
x = 7,055,671,161,008.39/3,039,982.99 - Step 6: Final answer
x = 2,320,957.45
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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.