Finding the Fourth Proportional to 1,447,412.29, 2,170,564.09 and 487,609.98
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Solution
The fourth proportional to 1,447,412.29, 2,170,564.09 and 487,609.98 is: 731,228.21
Step by Step Solution
- Step 1: Write the proportion equation
1,447,412.29 : 2,170,564.09 = 487,609.98 : x - Step 2: Convert to fraction form
1,447,412.29/2,170,564.09 = 487,609.98/x - Step 3: Cross multiply
1,447,412.29x = 2,170,564.09 × 487,609.98 - Step 4: Simplify right side
1,447,412.29x = 1,058,388,703,154.98 - Step 5: Solve for x
x = 1,058,388,703,154.98/1,447,412.29 - Step 6: Final answer
x = 731,228.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.