Finding the Fourth Proportional to 1,644,225.48, 2,266,966.44 and 1,257,515.28
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Solution
The fourth proportional to 1,644,225.48, 2,266,966.44 and 1,257,515.28 is: 1,733,791.97
Step by Step Solution
- Step 1: Write the proportion equation
1,644,225.48 : 2,266,966.44 = 1,257,515.28 : x - Step 2: Convert to fraction form
1,644,225.48/2,266,966.44 = 1,257,515.28/x - Step 3: Cross multiply
1,644,225.48x = 2,266,966.44 × 1,257,515.28 - Step 4: Simplify right side
1,644,225.48x = 2,850,744,937,547.20 - Step 5: Solve for x
x = 2,850,744,937,547.20/1,644,225.48 - Step 6: Final answer
x = 1,733,791.97
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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.