Finding the Fourth Proportional to 7,771,936.44, 10,724,786.80 and 4,287,315.52
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Solution
The fourth proportional to 7,771,936.44, 10,724,786.80 and 4,287,315.52 is: 5,916,227.60
Step by Step Solution
- Step 1: Write the proportion equation
7,771,936.44 : 10,724,786.80 = 4,287,315.52 : x - Step 2: Convert to fraction form
7,771,936.44/10,724,786.80 = 4,287,315.52/x - Step 3: Cross multiply
7,771,936.44x = 10,724,786.80 × 4,287,315.52 - Step 4: Simplify right side
7,771,936.44x = 45,980,544,896,331.13 - Step 5: Solve for x
x = 45,980,544,896,331.13/7,771,936.44 - Step 6: Final answer
x = 5,916,227.60
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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.