Finding the Fourth Proportional to 1,447,291.09, 2,170,936.67 and 991,432.81
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Solution
The fourth proportional to 1,447,291.09, 2,170,936.67 and 991,432.81 is: 1,487,149.24
Step by Step Solution
- Step 1: Write the proportion equation
1,447,291.09 : 2,170,936.67 = 991,432.81 : x - Step 2: Convert to fraction form
1,447,291.09/2,170,936.67 = 991,432.81/x - Step 3: Cross multiply
1,447,291.09x = 2,170,936.67 × 991,432.81 - Step 4: Simplify right side
1,447,291.09x = 2,152,337,843,070.14 - Step 5: Solve for x
x = 2,152,337,843,070.14/1,447,291.09 - Step 6: Final answer
x = 1,487,149.24
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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.