Finding the Fourth Proportional to 5,735,698.74, 7,915,364.94 and 3,122,277.96
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Solution
The fourth proportional to 5,735,698.74, 7,915,364.94 and 3,122,277.96 is: 4,308,798.39
Step by Step Solution
- Step 1: Write the proportion equation
5,735,698.74 : 7,915,364.94 = 3,122,277.96 : x - Step 2: Convert to fraction form
5,735,698.74/7,915,364.94 = 3,122,277.96/x - Step 3: Cross multiply
5,735,698.74x = 7,915,364.94 × 3,122,277.96 - Step 4: Simplify right side
5,735,698.74x = 24,713,969,497,518.72 - Step 5: Solve for x
x = 24,713,969,497,518.72/5,735,698.74 - Step 6: Final answer
x = 4,308,798.39
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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.