Finding the Fourth Proportional to 1,644,363.03, 2,269,230.08 and 919,241.31
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Solution
The fourth proportional to 1,644,363.03, 2,269,230.08 and 919,241.31 is: 1,268,558.09
Step by Step Solution
- Step 1: Write the proportion equation
1,644,363.03 : 2,269,230.08 = 919,241.31 : x - Step 2: Convert to fraction form
1,644,363.03/2,269,230.08 = 919,241.31/x - Step 3: Cross multiply
1,644,363.03x = 2,269,230.08 × 919,241.31 - Step 4: Simplify right side
1,644,363.03x = 2,085,970,031,430.61 - Step 5: Solve for x
x = 2,085,970,031,430.61/1,644,363.03 - Step 6: Final answer
x = 1,268,558.09
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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.