Finding the Fourth Proportional to 1,447,428.84, 2,170,588.86 and 487,626.48
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Solution
The fourth proportional to 1,447,428.84, 2,170,588.86 and 487,626.48 is: 731,252.95
Step by Step Solution
- Step 1: Write the proportion equation
1,447,428.84 : 2,170,588.86 = 487,626.48 : x - Step 2: Convert to fraction form
1,447,428.84/2,170,588.86 = 487,626.48/x - Step 3: Cross multiply
1,447,428.84x = 2,170,588.86 × 487,626.48 - Step 4: Simplify right side
1,447,428.84x = 1,058,436,605,329.01 - Step 5: Solve for x
x = 1,058,436,605,329.01/1,447,428.84 - Step 6: Final answer
x = 731,252.95
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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.