Finding the Fourth Proportional to 1,348,395.84, 2,021,194.08 and 637,883.28
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Solution
The fourth proportional to 1,348,395.84, 2,021,194.08 and 637,883.28 is: 956,162.78
Step by Step Solution
- Step 1: Write the proportion equation
1,348,395.84 : 2,021,194.08 = 637,883.28 : x - Step 2: Convert to fraction form
1,348,395.84/2,021,194.08 = 637,883.28/x - Step 3: Cross multiply
1,348,395.84x = 2,021,194.08 × 637,883.28 - Step 4: Simplify right side
1,348,395.84x = 1,289,285,909,266.98 - Step 5: Solve for x
x = 1,289,285,909,266.98/1,348,395.84 - Step 6: Final answer
x = 956,162.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.