Finding the Fourth Proportional to 2,070,644.70, 2,857,050.42 and 1,306,255.26
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Solution
The fourth proportional to 2,070,644.70, 2,857,050.42 and 1,306,255.26 is: 1,802,355.15
Step by Step Solution
- Step 1: Write the proportion equation
2,070,644.70 : 2,857,050.42 = 1,306,255.26 : x - Step 2: Convert to fraction form
2,070,644.70/2,857,050.42 = 1,306,255.26/x - Step 3: Cross multiply
2,070,644.70x = 2,857,050.42 × 1,306,255.26 - Step 4: Simplify right side
2,070,644.70x = 3,732,037,139,210.21 - Step 5: Solve for x
x = 3,732,037,139,210.21/2,070,644.70 - Step 6: Final answer
x = 1,802,355.15
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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.