Finding the Fourth Proportional to 5,038,979.18, 7,556,918.43 and 1,443,782.84
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Solution
The fourth proportional to 5,038,979.18, 7,556,918.43 and 1,443,782.84 is: 2,165,230.05
Step by Step Solution
- Step 1: Write the proportion equation
5,038,979.18 : 7,556,918.43 = 1,443,782.84 : x - Step 2: Convert to fraction form
5,038,979.18/7,556,918.43 = 1,443,782.84/x - Step 3: Cross multiply
5,038,979.18x = 7,556,918.43 × 1,443,782.84 - Step 4: Simplify right side
5,038,979.18x = 10,910,549,152,513.74 - Step 5: Solve for x
x = 10,910,549,152,513.74/5,038,979.18 - Step 6: Final answer
x = 2,165,230.05
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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.