Finding the Fourth Proportional to 1,517,206.48, 2,276,929.66 and 718,486.74
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Solution
The fourth proportional to 1,517,206.48, 2,276,929.66 and 718,486.74 is: 1,078,260.47
Step by Step Solution
- Step 1: Write the proportion equation
1,517,206.48 : 2,276,929.66 = 718,486.74 : x - Step 2: Convert to fraction form
1,517,206.48/2,276,929.66 = 718,486.74/x - Step 3: Cross multiply
1,517,206.48x = 2,276,929.66 × 718,486.74 - Step 4: Simplify right side
1,517,206.48x = 1,635,943,768,622.71 - Step 5: Solve for x
x = 1,635,943,768,622.71/1,517,206.48 - Step 6: Final answer
x = 1,078,260.47
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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.