Finding the Fourth Proportional to 4,997,497.42, 7,496,703.60 and 1,403,240.14
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Solution
The fourth proportional to 4,997,497.42, 7,496,703.60 and 1,403,240.14 is: 2,104,988.66
Step by Step Solution
- Step 1: Write the proportion equation
4,997,497.42 : 7,496,703.60 = 1,403,240.14 : x - Step 2: Convert to fraction form
4,997,497.42/7,496,703.60 = 1,403,240.14/x - Step 3: Cross multiply
4,997,497.42x = 7,496,703.60 × 1,403,240.14 - Step 4: Simplify right side
4,997,497.42x = 10,519,675,409,202.50 - Step 5: Solve for x
x = 10,519,675,409,202.50/4,997,497.42 - Step 6: Final answer
x = 2,104,988.66
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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.