Finding the Fourth Proportional to 1,487,360.64, 2,052,556.80 and 808,297.20
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Solution
The fourth proportional to 1,487,360.64, 2,052,556.80 and 808,297.20 is: 1,115,449.66
Step by Step Solution
- Step 1: Write the proportion equation
1,487,360.64 : 2,052,556.80 = 808,297.20 : x - Step 2: Convert to fraction form
1,487,360.64/2,052,556.80 = 808,297.20/x - Step 3: Cross multiply
1,487,360.64x = 2,052,556.80 × 808,297.20 - Step 4: Simplify right side
1,487,360.64x = 1,659,075,914,280.96 - Step 5: Solve for x
x = 1,659,075,914,280.96/1,487,360.64 - Step 6: Final answer
x = 1,115,449.66
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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.