Finding the Fourth Proportional to 2,835,698.24, 3,913,125.60 and 1,689,752.96
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Solution
The fourth proportional to 2,835,698.24, 3,913,125.60 and 1,689,752.96 is: 2,331,776.87
Step by Step Solution
- Step 1: Write the proportion equation
2,835,698.24 : 3,913,125.60 = 1,689,752.96 : x - Step 2: Convert to fraction form
2,835,698.24/3,913,125.60 = 1,689,752.96/x - Step 3: Cross multiply
2,835,698.24x = 3,913,125.60 × 1,689,752.96 - Step 4: Simplify right side
2,835,698.24x = 6,612,215,565,451.78 - Step 5: Solve for x
x = 6,612,215,565,451.78/2,835,698.24 - Step 6: Final answer
x = 2,331,776.87
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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.