Finding the Fourth Proportional to 1,664,953.99, 2,297,628.05 and 901,007.55
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Solution
The fourth proportional to 1,664,953.99, 2,297,628.05 and 901,007.55 is: 1,243,385.84
Step by Step Solution
- Step 1: Write the proportion equation
1,664,953.99 : 2,297,628.05 = 901,007.55 : x - Step 2: Convert to fraction form
1,664,953.99/2,297,628.05 = 901,007.55/x - Step 3: Cross multiply
1,664,953.99x = 2,297,628.05 × 901,007.55 - Step 4: Simplify right side
1,664,953.99x = 2,070,180,215,636.74 - Step 5: Solve for x
x = 2,070,180,215,636.74/1,664,953.99 - Step 6: Final answer
x = 1,243,385.84
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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.