Finding the Fourth Proportional to 6,467,274.68, 9,699,256.74 and 1,917,259.48
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Solution
The fourth proportional to 6,467,274.68, 9,699,256.74 and 1,917,259.48 is: 2,875,398.50
Step by Step Solution
- Step 1: Write the proportion equation
6,467,274.68 : 9,699,256.74 = 1,917,259.48 : x - Step 2: Convert to fraction form
6,467,274.68/9,699,256.74 = 1,917,259.48/x - Step 3: Cross multiply
6,467,274.68x = 9,699,256.74 × 1,917,259.48 - Step 4: Simplify right side
6,467,274.68x = 18,595,991,885,222.61 - Step 5: Solve for x
x = 18,595,991,885,222.61/6,467,274.68 - Step 6: Final answer
x = 2,875,398.50
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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.