Finding the Fourth Proportional to 1,631,432.29, 2,251,440.39 and 1,116,266.67
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Solution
The fourth proportional to 1,631,432.29, 2,251,440.39 and 1,116,266.67 is: 1,540,491.68
Step by Step Solution
- Step 1: Write the proportion equation
1,631,432.29 : 2,251,440.39 = 1,116,266.67 : x - Step 2: Convert to fraction form
1,631,432.29/2,251,440.39 = 1,116,266.67/x - Step 3: Cross multiply
1,631,432.29x = 2,251,440.39 × 1,116,266.67 - Step 4: Simplify right side
1,631,432.29x = 2,513,207,871,034.80 - Step 5: Solve for x
x = 2,513,207,871,034.80/1,631,432.29 - Step 6: Final answer
x = 1,540,491.68
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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.