Finding the Fourth Proportional to 4,477,792.48, 6,178,926.75 and 2,617,642.90
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Solution
The fourth proportional to 4,477,792.48, 6,178,926.75 and 2,617,642.90 is: 3,612,097.66
Step by Step Solution
- Step 1: Write the proportion equation
4,477,792.48 : 6,178,926.75 = 2,617,642.90 : x - Step 2: Convert to fraction form
4,477,792.48/6,178,926.75 = 2,617,642.90/x - Step 3: Cross multiply
4,477,792.48x = 6,178,926.75 × 2,617,642.90 - Step 4: Simplify right side
4,477,792.48x = 16,174,223,736,757.57 - Step 5: Solve for x
x = 16,174,223,736,757.57/4,477,792.48 - Step 6: Final answer
x = 3,612,097.66
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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.