Finding the Fourth Proportional to 1,779,465.98, 2,668,647.43 and 642,081.09
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Solution
The fourth proportional to 1,779,465.98, 2,668,647.43 and 642,081.09 is: 962,922.63
Step by Step Solution
- Step 1: Write the proportion equation
1,779,465.98 : 2,668,647.43 = 642,081.09 : x - Step 2: Convert to fraction form
1,779,465.98/2,668,647.43 = 642,081.09/x - Step 3: Cross multiply
1,779,465.98x = 2,668,647.43 × 642,081.09 - Step 4: Simplify right side
1,779,465.98x = 1,713,488,061,490.13 - Step 5: Solve for x
x = 1,713,488,061,490.13/1,779,465.98 - Step 6: Final answer
x = 962,922.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.