Finding the Fourth Proportional to 2,254,150.11, 3,110,719.09 and 1,221,682.94
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Solution
The fourth proportional to 2,254,150.11, 3,110,719.09 and 1,221,682.94 is: 1,685,918.09
Step by Step Solution
- Step 1: Write the proportion equation
2,254,150.11 : 3,110,719.09 = 1,221,682.94 : x - Step 2: Convert to fraction form
2,254,150.11/3,110,719.09 = 1,221,682.94/x - Step 3: Cross multiply
2,254,150.11x = 3,110,719.09 × 1,221,682.94 - Step 4: Simplify right side
2,254,150.11x = 3,800,312,443,385.32 - Step 5: Solve for x
x = 3,800,312,443,385.32/2,254,150.11 - Step 6: Final answer
x = 1,685,918.09
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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.