Finding the Fourth Proportional to 1,421,750.23, 2,132,625.35 and 475,120.95
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Solution
The fourth proportional to 1,421,750.23, 2,132,625.35 and 475,120.95 is: 712,681.43
Step by Step Solution
- Step 1: Write the proportion equation
1,421,750.23 : 2,132,625.35 = 475,120.95 : x - Step 2: Convert to fraction form
1,421,750.23/2,132,625.35 = 475,120.95/x - Step 3: Cross multiply
1,421,750.23x = 2,132,625.35 × 475,120.95 - Step 4: Simplify right side
1,421,750.23x = 1,013,254,982,286.08 - Step 5: Solve for x
x = 1,013,254,982,286.08/1,421,750.23 - Step 6: Final answer
x = 712,681.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.