Finding the Fourth Proportional to 1,938,882.98, 2,674,965.94 and 1,122,641.12
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Solution
The fourth proportional to 1,938,882.98, 2,674,965.94 and 1,122,641.12 is: 1,548,843.74
Step by Step Solution
- Step 1: Write the proportion equation
1,938,882.98 : 2,674,965.94 = 1,122,641.12 : x - Step 2: Convert to fraction form
1,938,882.98/2,674,965.94 = 1,122,641.12/x - Step 3: Cross multiply
1,938,882.98x = 2,674,965.94 × 1,122,641.12 - Step 4: Simplify right side
1,938,882.98x = 3,003,026,758,843.45 - Step 5: Solve for x
x = 3,003,026,758,843.45/1,938,882.98 - Step 6: Final answer
x = 1,548,843.74
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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.