Finding the Fourth Proportional to 4,786,358.63, 7,179,600.44 and 1,591,484.81
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Solution
The fourth proportional to 4,786,358.63, 7,179,600.44 and 1,591,484.81 is: 2,387,247.99
Step by Step Solution
- Step 1: Write the proportion equation
4,786,358.63 : 7,179,600.44 = 1,591,484.81 : x - Step 2: Convert to fraction form
4,786,358.63/7,179,600.44 = 1,591,484.81/x - Step 3: Cross multiply
4,786,358.63x = 7,179,600.44 × 1,591,484.81 - Step 4: Simplify right side
4,786,358.63x = 11,426,225,010,210.03 - Step 5: Solve for x
x = 11,426,225,010,210.03/4,786,358.63 - Step 6: Final answer
x = 2,387,247.99
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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.