Finding the Fourth Proportional to 4,921,512.16, 6,787,841.16 and 4,370,781.84
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Solution
The fourth proportional to 4,921,512.16, 6,787,841.16 and 4,370,781.84 is: 6,028,263.65
Step by Step Solution
- Step 1: Write the proportion equation
4,921,512.16 : 6,787,841.16 = 4,370,781.84 : x - Step 2: Convert to fraction form
4,921,512.16/6,787,841.16 = 4,370,781.84/x - Step 3: Cross multiply
4,921,512.16x = 6,787,841.16 × 4,370,781.84 - Step 4: Simplify right side
4,921,512.16x = 29,668,172,874,932.54 - Step 5: Solve for x
x = 29,668,172,874,932.54/4,921,512.16 - Step 6: Final answer
x = 6,028,263.65
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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.