Finding the Fourth Proportional to 5,447,672.91, 7,518,128.36 and 3,000,283.25
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Solution
The fourth proportional to 5,447,672.91, 7,518,128.36 and 3,000,283.25 is: 4,140,577.99
Step by Step Solution
- Step 1: Write the proportion equation
5,447,672.91 : 7,518,128.36 = 3,000,283.25 : x - Step 2: Convert to fraction form
5,447,672.91/7,518,128.36 = 3,000,283.25/x - Step 3: Cross multiply
5,447,672.91x = 7,518,128.36 × 3,000,283.25 - Step 4: Simplify right side
5,447,672.91x = 22,556,514,537,265.91 - Step 5: Solve for x
x = 22,556,514,537,265.91/5,447,672.91 - Step 6: Final answer
x = 4,140,577.99
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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.