Finding the Fourth Proportional to 5,756,297.78, 7,943,702.74 and 3,177,983.54
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Solution
The fourth proportional to 5,756,297.78, 7,943,702.74 and 3,177,983.54 is: 4,385,623.80
Step by Step Solution
- Step 1: Write the proportion equation
5,756,297.78 : 7,943,702.74 = 3,177,983.54 : x - Step 2: Convert to fraction form
5,756,297.78/7,943,702.74 = 3,177,983.54/x - Step 3: Cross multiply
5,756,297.78x = 7,943,702.74 × 3,177,983.54 - Step 4: Simplify right side
5,756,297.78x = 25,244,956,554,372.90 - Step 5: Solve for x
x = 25,244,956,554,372.90/5,756,297.78 - Step 6: Final answer
x = 4,385,623.80
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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.