Finding the Fourth Proportional to 2,029,430.52, 2,800,634.70 and 1,224,459
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Solution
The fourth proportional to 2,029,430.52, 2,800,634.70 and 1,224,459 is: 1,689,765.84
Step by Step Solution
- Step 1: Write the proportion equation
2,029,430.52 : 2,800,634.70 = 1,224,459 : x - Step 2: Convert to fraction form
2,029,430.52/2,800,634.70 = 1,224,459/x - Step 3: Cross multiply
2,029,430.52x = 2,800,634.70 × 1,224,459 - Step 4: Simplify right side
2,029,430.52x = 3,429,262,364,127.30 - Step 5: Solve for x
x = 3,429,262,364,127.30/2,029,430.52 - Step 6: Final answer
x = 1,689,765.84
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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.