Finding the Fourth Proportional to 5,306,937.57, 7,960,362.61 and 1,520,424.09
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Solution
The fourth proportional to 5,306,937.57, 7,960,362.61 and 1,520,424.09 is: 2,280,623.60
Step by Step Solution
- Step 1: Write the proportion equation
5,306,937.57 : 7,960,362.61 = 1,520,424.09 : x - Step 2: Convert to fraction form
5,306,937.57/7,960,362.61 = 1,520,424.09/x - Step 3: Cross multiply
5,306,937.57x = 7,960,362.61 × 1,520,424.09 - Step 4: Simplify right side
5,306,937.57x = 12,103,127,053,677.31 - Step 5: Solve for x
x = 12,103,127,053,677.31/5,306,937.57 - Step 6: Final answer
x = 2,280,623.60
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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.