Finding the Fourth Proportional to 3,069,376.57, 4,235,814.12 and 1,692,740.26
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Solution
The fourth proportional to 3,069,376.57, 4,235,814.12 and 1,692,740.26 is: 2,336,022.62
Step by Step Solution
- Step 1: Write the proportion equation
3,069,376.57 : 4,235,814.12 = 1,692,740.26 : x - Step 2: Convert to fraction form
3,069,376.57/4,235,814.12 = 1,692,740.26/x - Step 3: Cross multiply
3,069,376.57x = 4,235,814.12 × 1,692,740.26 - Step 4: Simplify right side
3,069,376.57x = 7,170,133,094,800.47 - Step 5: Solve for x
x = 7,170,133,094,800.47/3,069,376.57 - Step 6: Final answer
x = 2,336,022.62
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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.