Finding the Fourth Proportional to 1,471,796.55, 2,031,097.55 and 891,011.97
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Solution
The fourth proportional to 1,471,796.55, 2,031,097.55 and 891,011.97 is: 1,229,607.60
Step by Step Solution
- Step 1: Write the proportion equation
1,471,796.55 : 2,031,097.55 = 891,011.97 : x - Step 2: Convert to fraction form
1,471,796.55/2,031,097.55 = 891,011.97/x - Step 3: Cross multiply
1,471,796.55x = 2,031,097.55 × 891,011.97 - Step 4: Simplify right side
1,471,796.55x = 1,809,732,224,832.61 - Step 5: Solve for x
x = 1,809,732,224,832.61/1,471,796.55 - Step 6: Final answer
x = 1,229,607.60
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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.