Finding the Fourth Proportional to 2,078,883.88, 2,868,859.74 and 1,125,027.88
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Solution
The fourth proportional to 2,078,883.88, 2,868,859.74 and 1,125,027.88 is: 1,552,538.47
Step by Step Solution
- Step 1: Write the proportion equation
2,078,883.88 : 2,868,859.74 = 1,125,027.88 : x - Step 2: Convert to fraction form
2,078,883.88/2,868,859.74 = 1,125,027.88/x - Step 3: Cross multiply
2,078,883.88x = 2,868,859.74 × 1,125,027.88 - Step 4: Simplify right side
2,078,883.88x = 3,227,547,191,309.55 - Step 5: Solve for x
x = 3,227,547,191,309.55/2,078,883.88 - Step 6: Final answer
x = 1,552,538.47
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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.