Finding the Fourth Proportional to 1,447,753.09, 1,997,069.19 and 902,943.03
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Solution
The fourth proportional to 1,447,753.09, 1,997,069.19 and 902,943.03 is: 1,245,543.68
Step by Step Solution
- Step 1: Write the proportion equation
1,447,753.09 : 1,997,069.19 = 902,943.03 : x - Step 2: Convert to fraction form
1,447,753.09/1,997,069.19 = 902,943.03/x - Step 3: Cross multiply
1,447,753.09x = 1,997,069.19 × 902,943.03 - Step 4: Simplify right side
1,447,753.09x = 1,803,239,705,538.25 - Step 5: Solve for x
x = 1,803,239,705,538.25/1,447,753.09 - Step 6: Final answer
x = 1,245,543.68
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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.