Finding the Fourth Proportional to 3,078,837.76, 4,248,613.06 and 1,702,098.99
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Solution
The fourth proportional to 3,078,837.76, 4,248,613.06 and 1,702,098.99 is: 2,348,795.41
Step by Step Solution
- Step 1: Write the proportion equation
3,078,837.76 : 4,248,613.06 = 1,702,098.99 : x - Step 2: Convert to fraction form
3,078,837.76/4,248,613.06 = 1,702,098.99/x - Step 3: Cross multiply
3,078,837.76x = 4,248,613.06 × 1,702,098.99 - Step 4: Simplify right side
3,078,837.76x = 7,231,559,998,326.81 - Step 5: Solve for x
x = 7,231,559,998,326.81/3,078,837.76 - Step 6: Final answer
x = 2,348,795.41
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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.