Finding the Fourth Proportional to 1,456,403.48, 2,009,794.98 and 811,809.84
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Solution
The fourth proportional to 1,456,403.48, 2,009,794.98 and 811,809.84 is: 1,120,274.27
Step by Step Solution
- Step 1: Write the proportion equation
1,456,403.48 : 2,009,794.98 = 811,809.84 : x - Step 2: Convert to fraction form
1,456,403.48/2,009,794.98 = 811,809.84/x - Step 3: Cross multiply
1,456,403.48x = 2,009,794.98 × 811,809.84 - Step 4: Simplify right side
1,456,403.48x = 1,631,571,341,146.60 - Step 5: Solve for x
x = 1,631,571,341,146.60/1,456,403.48 - Step 6: Final answer
x = 1,120,274.27
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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.