Finding the Fourth Proportional to 4,371,743.70, 6,557,615.55 and 1,379,927.70
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Solution
The fourth proportional to 4,371,743.70, 6,557,615.55 and 1,379,927.70 is: 2,069,891.55
Step by Step Solution
- Step 1: Write the proportion equation
4,371,743.70 : 6,557,615.55 = 1,379,927.70 : x - Step 2: Convert to fraction form
4,371,743.70/6,557,615.55 = 1,379,927.70/x - Step 3: Cross multiply
4,371,743.70x = 6,557,615.55 × 1,379,927.70 - Step 4: Simplify right side
4,371,743.70x = 9,049,035,343,395.74 - Step 5: Solve for x
x = 9,049,035,343,395.74/4,371,743.70 - Step 6: Final answer
x = 2,069,891.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.