Finding the Fourth Proportional to 3,078,036.84, 4,247,681.76 and 1,719,910.92
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Solution
The fourth proportional to 3,078,036.84, 4,247,681.76 and 1,719,910.92 is: 2,373,472.00
Step by Step Solution
- Step 1: Write the proportion equation
3,078,036.84 : 4,247,681.76 = 1,719,910.92 : x - Step 2: Convert to fraction form
3,078,036.84/4,247,681.76 = 1,719,910.92/x - Step 3: Cross multiply
3,078,036.84x = 4,247,681.76 × 1,719,910.92 - Step 4: Simplify right side
3,078,036.84x = 7,305,634,243,708.82 - Step 5: Solve for x
x = 7,305,634,243,708.82/3,078,036.84 - Step 6: Final answer
x = 2,373,472.00
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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.