Finding the Fourth Proportional to 2,118,075.36, 2,922,963.48 and 1,151,207.88
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Solution
The fourth proportional to 2,118,075.36, 2,922,963.48 and 1,151,207.88 is: 1,588,677.46
Step by Step Solution
- Step 1: Write the proportion equation
2,118,075.36 : 2,922,963.48 = 1,151,207.88 : x - Step 2: Convert to fraction form
2,118,075.36/2,922,963.48 = 1,151,207.88/x - Step 3: Cross multiply
2,118,075.36x = 2,922,963.48 × 1,151,207.88 - Step 4: Simplify right side
2,118,075.36x = 3,364,938,591,128.22 - Step 5: Solve for x
x = 3,364,938,591,128.22/2,118,075.36 - Step 6: Final answer
x = 1,588,677.46
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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.