Finding the Fourth Proportional to 2,378,626.38, 3,282,506.11 and 1,290,897.67
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Solution
The fourth proportional to 2,378,626.38, 3,282,506.11 and 1,290,897.67 is: 1,781,439.71
Step by Step Solution
- Step 1: Write the proportion equation
2,378,626.38 : 3,282,506.11 = 1,290,897.67 : x - Step 2: Convert to fraction form
2,378,626.38/3,282,506.11 = 1,290,897.67/x - Step 3: Cross multiply
2,378,626.38x = 3,282,506.11 × 1,290,897.67 - Step 4: Simplify right side
2,378,626.38x = 4,237,379,489,159.76 - Step 5: Solve for x
x = 4,237,379,489,159.76/2,378,626.38 - Step 6: Final answer
x = 1,781,439.71
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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.