Finding the Fourth Proportional to 1,316,383.84, 1,974,649.38 and 369,680.68
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Solution
The fourth proportional to 1,316,383.84, 1,974,649.38 and 369,680.68 is: 554,541.69
Step by Step Solution
- Step 1: Write the proportion equation
1,316,383.84 : 1,974,649.38 = 369,680.68 : x - Step 2: Convert to fraction form
1,316,383.84/1,974,649.38 = 369,680.68/x - Step 3: Cross multiply
1,316,383.84x = 1,974,649.38 × 369,680.68 - Step 4: Simplify right side
1,316,383.84x = 729,989,725,559.98 - Step 5: Solve for x
x = 729,989,725,559.98/1,316,383.84 - Step 6: Final answer
x = 554,541.69
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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.