Finding the Fourth Proportional to 7,461,972.90, 11,192,959.35 and 2,413,793.70
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Solution
The fourth proportional to 7,461,972.90, 11,192,959.35 and 2,413,793.70 is: 3,620,690.55
Step by Step Solution
- Step 1: Write the proportion equation
7,461,972.90 : 11,192,959.35 = 2,413,793.70 : x - Step 2: Convert to fraction form
7,461,972.90/11,192,959.35 = 2,413,793.70/x - Step 3: Cross multiply
7,461,972.90x = 11,192,959.35 × 2,413,793.70 - Step 4: Simplify right side
7,461,972.90x = 27,017,494,763,386.10 - Step 5: Solve for x
x = 27,017,494,763,386.10/7,461,972.90 - Step 6: Final answer
x = 3,620,690.55
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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.