Finding the Fourth Proportional to 4,844,967.48, 6,686,206.62 and 2,780,360.76
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Solution
The fourth proportional to 4,844,967.48, 6,686,206.62 and 2,780,360.76 is: 3,836,984.79
Step by Step Solution
- Step 1: Write the proportion equation
4,844,967.48 : 6,686,206.62 = 2,780,360.76 : x - Step 2: Convert to fraction form
4,844,967.48/6,686,206.62 = 2,780,360.76/x - Step 3: Cross multiply
4,844,967.48x = 6,686,206.62 × 2,780,360.76 - Step 4: Simplify right side
4,844,967.48x = 18,590,066,519,500.23 - Step 5: Solve for x
x = 18,590,066,519,500.23/4,844,967.48 - Step 6: Final answer
x = 3,836,984.79
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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.