Finding the Fourth Proportional to 3,897,297.84, 5,378,963.58 and 2,866,302.30
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Solution
The fourth proportional to 3,897,297.84, 5,378,963.58 and 2,866,302.30 is: 3,956,006.52
Step by Step Solution
- Step 1: Write the proportion equation
3,897,297.84 : 5,378,963.58 = 2,866,302.30 : x - Step 2: Convert to fraction form
3,897,297.84/5,378,963.58 = 2,866,302.30/x - Step 3: Cross multiply
3,897,297.84x = 5,378,963.58 × 2,866,302.30 - Step 4: Simplify right side
3,897,297.84x = 15,417,735,680,970.23 - Step 5: Solve for x
x = 15,417,735,680,970.23/3,897,297.84 - Step 6: Final answer
x = 3,956,006.52
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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.