Finding the Fourth Proportional to 4,519,911.24, 6,779,878.20 and 1,108,213.20
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Solution
The fourth proportional to 4,519,911.24, 6,779,878.20 and 1,108,213.20 is: 1,662,322.58
Step by Step Solution
- Step 1: Write the proportion equation
4,519,911.24 : 6,779,878.20 = 1,108,213.20 : x - Step 2: Convert to fraction form
4,519,911.24/6,779,878.20 = 1,108,213.20/x - Step 3: Cross multiply
4,519,911.24x = 6,779,878.20 × 1,108,213.20 - Step 4: Simplify right side
4,519,911.24x = 7,513,550,515,632.24 - Step 5: Solve for x
x = 7,513,550,515,632.24/4,519,911.24 - Step 6: Final answer
x = 1,662,322.58
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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.