Finding the Fourth Proportional to 2,919,603.46, 4,029,175.20 and 1,679,214.16
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Solution
The fourth proportional to 2,919,603.46, 4,029,175.20 and 1,679,214.16 is: 2,317,385.95
Step by Step Solution
- Step 1: Write the proportion equation
2,919,603.46 : 4,029,175.20 = 1,679,214.16 : x - Step 2: Convert to fraction form
2,919,603.46/4,029,175.20 = 1,679,214.16/x - Step 3: Cross multiply
2,919,603.46x = 4,029,175.20 × 1,679,214.16 - Step 4: Simplify right side
2,919,603.46x = 6,765,848,048,960.83 - Step 5: Solve for x
x = 6,765,848,048,960.83/2,919,603.46 - Step 6: Final answer
x = 2,317,385.95
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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.