Finding the Fourth Proportional to 3,142,163.79, 4,336,191.18 and 1,784,036.79
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Solution
The fourth proportional to 3,142,163.79, 4,336,191.18 and 1,784,036.79 is: 2,461,973.69
Step by Step Solution
- Step 1: Write the proportion equation
3,142,163.79 : 4,336,191.18 = 1,784,036.79 : x - Step 2: Convert to fraction form
3,142,163.79/4,336,191.18 = 1,784,036.79/x - Step 3: Cross multiply
3,142,163.79x = 4,336,191.18 × 1,784,036.79 - Step 4: Simplify right side
3,142,163.79x = 7,735,924,593,593.51 - Step 5: Solve for x
x = 7,735,924,593,593.51/3,142,163.79 - Step 6: Final answer
x = 2,461,973.69
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1.5x scale
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.