Finding the Fourth Proportional to 3,101,373.12, 4,279,267.68 and 1,811,964.48
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Solution
The fourth proportional to 3,101,373.12, 4,279,267.68 and 1,811,964.48 is: 2,500,144.53
Step by Step Solution
- Step 1: Write the proportion equation
3,101,373.12 : 4,279,267.68 = 1,811,964.48 : x - Step 2: Convert to fraction form
3,101,373.12/4,279,267.68 = 1,811,964.48/x - Step 3: Cross multiply
3,101,373.12x = 4,279,267.68 × 1,811,964.48 - Step 4: Simplify right side
3,101,373.12x = 7,753,881,036,572.01 - Step 5: Solve for x
x = 7,753,881,036,572.01/3,101,373.12 - Step 6: Final answer
x = 2,500,144.53
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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.