Finding the Fourth Proportional to 3,411,176.68, 5,115,676.38 and 1,389,416.68
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Solution
The fourth proportional to 3,411,176.68, 5,115,676.38 and 1,389,416.68 is: 2,083,681.60
Step by Step Solution
- Step 1: Write the proportion equation
3,411,176.68 : 5,115,676.38 = 1,389,416.68 : x - Step 2: Convert to fraction form
3,411,176.68/5,115,676.38 = 1,389,416.68/x - Step 3: Cross multiply
3,411,176.68x = 5,115,676.38 × 1,389,416.68 - Step 4: Simplify right side
3,411,176.68x = 7,107,806,091,854.02 - Step 5: Solve for x
x = 7,107,806,091,854.02/3,411,176.68 - Step 6: Final answer
x = 2,083,681.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.