Finding the Fourth Proportional to 2,149,619.99, 3,220,887.04 and 1,248,532.25
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Solution
The fourth proportional to 2,149,619.99, 3,220,887.04 and 1,248,532.25 is: 1,870,740.57
Step by Step Solution
- Step 1: Write the proportion equation
2,149,619.99 : 3,220,887.04 = 1,248,532.25 : x - Step 2: Convert to fraction form
2,149,619.99/3,220,887.04 = 1,248,532.25/x - Step 3: Cross multiply
2,149,619.99x = 3,220,887.04 × 1,248,532.25 - Step 4: Simplify right side
2,149,619.99x = 4,021,381,323,821.28 - Step 5: Solve for x
x = 4,021,381,323,821.28/2,149,619.99 - Step 6: Final answer
x = 1,870,740.57
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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.