Finding the Fourth Proportional to 5,237,794.04, 7,857,023.10 and 1,643,702.68
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Solution
The fourth proportional to 5,237,794.04, 7,857,023.10 and 1,643,702.68 is: 2,465,658.22
Step by Step Solution
- Step 1: Write the proportion equation
5,237,794.04 : 7,857,023.10 = 1,643,702.68 : x - Step 2: Convert to fraction form
5,237,794.04/7,857,023.10 = 1,643,702.68/x - Step 3: Cross multiply
5,237,794.04x = 7,857,023.10 × 1,643,702.68 - Step 4: Simplify right side
5,237,794.04x = 12,914,609,926,291.91 - Step 5: Solve for x
x = 12,914,609,926,291.91/5,237,794.04 - Step 6: Final answer
x = 2,465,658.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.