Finding the Fourth Proportional to 1,963,774.24, 2,708,675.76 and 1,274,213.92
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Solution
The fourth proportional to 1,963,774.24, 2,708,675.76 and 1,274,213.92 is: 1,757,550.48
Step by Step Solution
- Step 1: Write the proportion equation
1,963,774.24 : 2,708,675.76 = 1,274,213.92 : x - Step 2: Convert to fraction form
1,963,774.24/2,708,675.76 = 1,274,213.92/x - Step 3: Cross multiply
1,963,774.24x = 2,708,675.76 × 1,274,213.92 - Step 4: Simplify right side
1,963,774.24x = 3,451,432,358,158.58 - Step 5: Solve for x
x = 3,451,432,358,158.58/1,963,774.24 - Step 6: Final answer
x = 1,757,550.48
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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.