Finding the Fourth Proportional to 1,492,390.98, 2,059,247.41 and 838,929.96
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Solution
The fourth proportional to 1,492,390.98, 2,059,247.41 and 838,929.96 is: 1,157,581.60
Step by Step Solution
- Step 1: Write the proportion equation
1,492,390.98 : 2,059,247.41 = 838,929.96 : x - Step 2: Convert to fraction form
1,492,390.98/2,059,247.41 = 838,929.96/x - Step 3: Cross multiply
1,492,390.98x = 2,059,247.41 × 838,929.96 - Step 4: Simplify right side
1,492,390.98x = 1,727,564,345,204.08 - Step 5: Solve for x
x = 1,727,564,345,204.08/1,492,390.98 - Step 6: Final answer
x = 1,157,581.60
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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.