Finding the Fourth Proportional to 2,539,730.64, 3,504,828.28 and 1,521,135.39
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Solution
The fourth proportional to 2,539,730.64, 3,504,828.28 and 1,521,135.39 is: 2,099,166.83
Step by Step Solution
- Step 1: Write the proportion equation
2,539,730.64 : 3,504,828.28 = 1,521,135.39 : x - Step 2: Convert to fraction form
2,539,730.64/3,504,828.28 = 1,521,135.39/x - Step 3: Cross multiply
2,539,730.64x = 3,504,828.28 × 1,521,135.39 - Step 4: Simplify right side
2,539,730.64x = 5,331,318,319,060.72 - Step 5: Solve for x
x = 5,331,318,319,060.72/2,539,730.64 - Step 6: Final answer
x = 2,099,166.83
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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.