Finding the Fourth Proportional to 1,638,411.96, 2,260,898.28 and 1,026,547.68
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Solution
The fourth proportional to 1,638,411.96, 2,260,898.28 and 1,026,547.68 is: 1,416,566.74
Step by Step Solution
- Step 1: Write the proportion equation
1,638,411.96 : 2,260,898.28 = 1,026,547.68 : x - Step 2: Convert to fraction form
1,638,411.96/2,260,898.28 = 1,026,547.68/x - Step 3: Cross multiply
1,638,411.96x = 2,260,898.28 × 1,026,547.68 - Step 4: Simplify right side
1,638,411.96x = 2,320,919,884,049.99 - Step 5: Solve for x
x = 2,320,919,884,049.99/1,638,411.96 - Step 6: Final answer
x = 1,416,566.74
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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.