Finding the Fourth Proportional to 2,015,487.99, 2,781,373.44 and 1,110,069.99
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Solution
The fourth proportional to 2,015,487.99, 2,781,373.44 and 1,110,069.99 is: 1,531,896.59
Step by Step Solution
- Step 1: Write the proportion equation
2,015,487.99 : 2,781,373.44 = 1,110,069.99 : x - Step 2: Convert to fraction form
2,015,487.99/2,781,373.44 = 1,110,069.99/x - Step 3: Cross multiply
2,015,487.99x = 2,781,373.44 × 1,110,069.99 - Step 4: Simplify right side
2,015,487.99x = 3,087,519,186,727.07 - Step 5: Solve for x
x = 3,087,519,186,727.07/2,015,487.99 - Step 6: Final answer
x = 1,531,896.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.