Finding the Fourth Proportional to 5,352,473.48, 8,028,640.64 and 1,308,996.34
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Solution
The fourth proportional to 5,352,473.48, 8,028,640.64 and 1,308,996.34 is: 1,963,477.49
Step by Step Solution
- Step 1: Write the proportion equation
5,352,473.48 : 8,028,640.64 = 1,308,996.34 : x - Step 2: Convert to fraction form
5,352,473.48/8,028,640.64 = 1,308,996.34/x - Step 3: Cross multiply
5,352,473.48x = 8,028,640.64 × 1,308,996.34 - Step 4: Simplify right side
5,352,473.48x = 10,509,461,196,136.15 - Step 5: Solve for x
x = 10,509,461,196,136.15/5,352,473.48 - Step 6: Final answer
x = 1,963,477.49
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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.