Finding the Fourth Proportional to 2,220,008.40, 3,064,203.68 and 1,253,704.32
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Solution
The fourth proportional to 2,220,008.40, 3,064,203.68 and 1,253,704.32 is: 1,730,446.33
Step by Step Solution
- Step 1: Write the proportion equation
2,220,008.40 : 3,064,203.68 = 1,253,704.32 : x - Step 2: Convert to fraction form
2,220,008.40/3,064,203.68 = 1,253,704.32/x - Step 3: Cross multiply
2,220,008.40x = 3,064,203.68 × 1,253,704.32 - Step 4: Simplify right side
2,220,008.40x = 3,841,605,384,707.38 - Step 5: Solve for x
x = 3,841,605,384,707.38/2,220,008.40 - Step 6: Final answer
x = 1,730,446.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.