Finding the Fourth Proportional to 2,129,004.41, 2,938,108.75 and 1,269,546.21
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Solution
The fourth proportional to 2,129,004.41, 2,938,108.75 and 1,269,546.21 is: 1,752,023.07
Step by Step Solution
- Step 1: Write the proportion equation
2,129,004.41 : 2,938,108.75 = 1,269,546.21 : x - Step 2: Convert to fraction form
2,129,004.41/2,938,108.75 = 1,269,546.21/x - Step 3: Cross multiply
2,129,004.41x = 2,938,108.75 × 1,269,546.21 - Step 4: Simplify right side
2,129,004.41x = 3,730,064,824,956.47 - Step 5: Solve for x
x = 3,730,064,824,956.47/2,129,004.41 - Step 6: Final answer
x = 1,752,023.07
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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.