Finding the Fourth Proportional to 2,131,567.10, 3,197,350.65 and 1,536,703.10
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Solution
The fourth proportional to 2,131,567.10, 3,197,350.65 and 1,536,703.10 is: 2,305,054.65
Step by Step Solution
- Step 1: Write the proportion equation
2,131,567.10 : 3,197,350.65 = 1,536,703.10 : x - Step 2: Convert to fraction form
2,131,567.10/3,197,350.65 = 1,536,703.10/x - Step 3: Cross multiply
2,131,567.10x = 3,197,350.65 × 1,536,703.10 - Step 4: Simplify right side
2,131,567.10x = 4,913,378,655,642.02 - Step 5: Solve for x
x = 4,913,378,655,642.02/2,131,567.10 - Step 6: Final answer
x = 2,305,054.65
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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.