Finding the Fourth Proportional to 7,242,366.60, 10,865,007.90 and 2,124,786.60
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Solution
The fourth proportional to 7,242,366.60, 10,865,007.90 and 2,124,786.60 is: 3,187,607.65
Step by Step Solution
- Step 1: Write the proportion equation
7,242,366.60 : 10,865,007.90 = 2,124,786.60 : x - Step 2: Convert to fraction form
7,242,366.60/10,865,007.90 = 2,124,786.60/x - Step 3: Cross multiply
7,242,366.60x = 10,865,007.90 × 2,124,786.60 - Step 4: Simplify right side
7,242,366.60x = 23,085,823,194,814.14 - Step 5: Solve for x
x = 23,085,823,194,814.14/7,242,366.60 - Step 6: Final answer
x = 3,187,607.65
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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.