Finding the Fourth Proportional to 4,158,743.40, 6,238,115.10 and 2,556,109.80
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Solution
The fourth proportional to 4,158,743.40, 6,238,115.10 and 2,556,109.80 is: 3,834,164.70
Step by Step Solution
- Step 1: Write the proportion equation
4,158,743.40 : 6,238,115.10 = 2,556,109.80 : x - Step 2: Convert to fraction form
4,158,743.40/6,238,115.10 = 2,556,109.80/x - Step 3: Cross multiply
4,158,743.40x = 6,238,115.10 × 2,556,109.80 - Step 4: Simplify right side
4,158,743.40x = 15,945,307,140,637.98 - Step 5: Solve for x
x = 15,945,307,140,637.98/4,158,743.40 - Step 6: Final answer
x = 3,834,164.70
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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.