Finding the Fourth Proportional to 5,679,374.68, 7,837,854.60 and 3,101,294.80
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Solution
The fourth proportional to 5,679,374.68, 7,837,854.60 and 3,101,294.80 is: 4,279,960.22
Step by Step Solution
- Step 1: Write the proportion equation
5,679,374.68 : 7,837,854.60 = 3,101,294.80 : x - Step 2: Convert to fraction form
5,679,374.68/7,837,854.60 = 3,101,294.80/x - Step 3: Cross multiply
5,679,374.68x = 7,837,854.60 × 3,101,294.80 - Step 4: Simplify right side
5,679,374.68x = 24,307,497,714,136.08 - Step 5: Solve for x
x = 24,307,497,714,136.08/5,679,374.68 - Step 6: Final answer
x = 4,279,960.22
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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.