Finding the Fourth Proportional to 1,623,101.76, 2,239,984.09 and 907,709.76
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Solution
The fourth proportional to 1,623,101.76, 2,239,984.09 and 907,709.76 is: 1,252,697.44
Step by Step Solution
- Step 1: Write the proportion equation
1,623,101.76 : 2,239,984.09 = 907,709.76 : x - Step 2: Convert to fraction form
1,623,101.76/2,239,984.09 = 907,709.76/x - Step 3: Cross multiply
1,623,101.76x = 2,239,984.09 × 907,709.76 - Step 4: Simplify right side
1,623,101.76x = 2,033,255,420,737.72 - Step 5: Solve for x
x = 2,033,255,420,737.72/1,623,101.76 - Step 6: Final answer
x = 1,252,697.44
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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.