Finding the Fourth Proportional to 3,613,852.80, 5,420,779.20 and 2,763,547.20
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Solution
The fourth proportional to 3,613,852.80, 5,420,779.20 and 2,763,547.20 is: 4,145,320.80
Step by Step Solution
- Step 1: Write the proportion equation
3,613,852.80 : 5,420,779.20 = 2,763,547.20 : x - Step 2: Convert to fraction form
3,613,852.80/5,420,779.20 = 2,763,547.20/x - Step 3: Cross multiply
3,613,852.80x = 5,420,779.20 × 2,763,547.20 - Step 4: Simplify right side
3,613,852.80x = 14,980,579,179,978.24 - Step 5: Solve for x
x = 14,980,579,179,978.24/3,613,852.80 - Step 6: Final answer
x = 4,145,320.80
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1.5x scale
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.