Finding the Fourth Proportional to 4,736,342.48, 7,104,070.74 and 1,324,935.96
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Solution
The fourth proportional to 4,736,342.48, 7,104,070.74 and 1,324,935.96 is: 1,987,280.02
Step by Step Solution
- Step 1: Write the proportion equation
4,736,342.48 : 7,104,070.74 = 1,324,935.96 : x - Step 2: Convert to fraction form
4,736,342.48/7,104,070.74 = 1,324,935.96/x - Step 3: Cross multiply
4,736,342.48x = 7,104,070.74 × 1,324,935.96 - Step 4: Simplify right side
4,736,342.48x = 9,412,438,785,809.81 - Step 5: Solve for x
x = 9,412,438,785,809.81/4,736,342.48 - Step 6: Final answer
x = 1,987,280.02
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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.