Finding the Fourth Proportional to 1,625,176.68, 2,243,117.08 and 1,081,335.40
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Solution
The fourth proportional to 1,625,176.68, 2,243,117.08 and 1,081,335.40 is: 1,492,491.21
Step by Step Solution
- Step 1: Write the proportion equation
1,625,176.68 : 2,243,117.08 = 1,081,335.40 : x - Step 2: Convert to fraction form
1,625,176.68/2,243,117.08 = 1,081,335.40/x - Step 3: Cross multiply
1,625,176.68x = 2,243,117.08 × 1,081,335.40 - Step 4: Simplify right side
1,625,176.68x = 2,425,561,904,948.63 - Step 5: Solve for x
x = 2,425,561,904,948.63/1,625,176.68 - Step 6: Final answer
x = 1,492,491.21
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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.