Finding the Fourth Proportional to 1,668,645.98, 2,302,667.49 and 943,508.87
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Solution
The fourth proportional to 1,668,645.98, 2,302,667.49 and 943,508.87 is: 1,302,006.08
Step by Step Solution
- Step 1: Write the proportion equation
1,668,645.98 : 2,302,667.49 = 943,508.87 : x - Step 2: Convert to fraction form
1,668,645.98/2,302,667.49 = 943,508.87/x - Step 3: Cross multiply
1,668,645.98x = 2,302,667.49 × 943,508.87 - Step 4: Simplify right side
1,668,645.98x = 2,172,587,202,135.46 - Step 5: Solve for x
x = 2,172,587,202,135.46/1,668,645.98 - Step 6: Final answer
x = 1,302,006.08
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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.