Finding the Fourth Proportional to 3,536,407.12, 5,304,610.56 and 1,292,545.12
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Solution
The fourth proportional to 3,536,407.12, 5,304,610.56 and 1,292,545.12 is: 1,938,817.64
Step by Step Solution
- Step 1: Write the proportion equation
3,536,407.12 : 5,304,610.56 = 1,292,545.12 : x - Step 2: Convert to fraction form
3,536,407.12/5,304,610.56 = 1,292,545.12/x - Step 3: Cross multiply
3,536,407.12x = 5,304,610.56 × 1,292,545.12 - Step 4: Simplify right side
3,536,407.12x = 6,856,448,492,828.47 - Step 5: Solve for x
x = 6,856,448,492,828.47/3,536,407.12 - Step 6: Final answer
x = 1,938,817.64
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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.