Finding the Fourth Proportional to 1,642,807.88, 2,267,027.12 and 907,750.48
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Solution
The fourth proportional to 1,642,807.88, 2,267,027.12 and 907,750.48 is: 1,252,669.28
Step by Step Solution
- Step 1: Write the proportion equation
1,642,807.88 : 2,267,027.12 = 907,750.48 : x - Step 2: Convert to fraction form
1,642,807.88/2,267,027.12 = 907,750.48/x - Step 3: Cross multiply
1,642,807.88x = 2,267,027.12 × 907,750.48 - Step 4: Simplify right side
1,642,807.88x = 2,057,894,956,353.02 - Step 5: Solve for x
x = 2,057,894,956,353.02/1,642,807.88 - Step 6: Final answer
x = 1,252,669.28
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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.