Finding the Fourth Proportional to 1,340,556.60, 1,850,858.84 and 1,029,905.80
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Solution
The fourth proportional to 1,340,556.60, 1,850,858.84 and 1,029,905.80 is: 1,421,954.32
Step by Step Solution
- Step 1: Write the proportion equation
1,340,556.60 : 1,850,858.84 = 1,029,905.80 : x - Step 2: Convert to fraction form
1,340,556.60/1,850,858.84 = 1,029,905.80/x - Step 3: Cross multiply
1,340,556.60x = 1,850,858.84 × 1,029,905.80 - Step 4: Simplify right side
1,340,556.60x = 1,906,210,254,297.27 - Step 5: Solve for x
x = 1,906,210,254,297.27/1,340,556.60 - Step 6: Final answer
x = 1,421,954.32
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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.